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 Showing results 1 to 25 of 1000 Search took 0.20 seconds. Search: Posts Made By: sweety439
 Forum: sweety439 2021-06-25, 07:29 Replies: 371 Views: 23,564 Posted By sweety439 If I only research a problem in dozenal (base... If I only research a problem in dozenal (base 12), or if I only research a problem in bases <= 12, then I use X for ten and E for eleven, however, if I research a problem in bases including those >...
 Forum: FactorDB 2021-06-25, 07:09 Replies: 9 Views: 495 Posted By sweety439 I want to add the first n digits for many... I want to add the first n digits for many mathematical constants (pi, e, gamma, sqrt(2), ln(2), golden ratio, ...) in all bases 2<=b<=36, also the Smarandache numbers (https://oeis.org/A007908) and...
 Forum: FactorDB 2021-06-25, 07:07 Replies: 9 Views: 495 Posted By sweety439 I suggest that factordb can add all these... I suggest that factordb can add all these functions (https://mersenneforum.org/showpost.php?p=579527&postcount=12)
 Forum: Math 2021-06-24, 07:56 Replies: 23 Views: 3,238 Posted By sweety439 I suggest: * Test all Wagstaff numbers with... I suggest: * Test all Wagstaff numbers with exponent below 15 million (at least prove or disprove that 13347311 and 13372531 are the next two Wagstaff exponents after 4031399), W13347311 and...
 Forum: FactorDB 2021-06-24, 07:15 Replies: 15 Views: 8,323 Posted By sweety439 Silvester/Euclid sequence (and the sequences... Silvester/Euclid sequence (and the sequences which I suggest in the previous post) should not stop when the number is not fully factored (e.g. n=20...
 Forum: sweety439 2021-06-24, 06:57 Replies: 371 Views: 23,564 Posted By sweety439 The number of Mersenne exponents end with E... The number of Mersenne exponents end with E should be less than that of Mersenne exponents end with 1, 5, or 7, this is because for all Sophie Germain primes p == 3 mod 4 (all such primes end with...
 2021-06-24, 06:49 Replies: 47 Views: 18,669 Posted By sweety439 A new interest for "Divides Phi" 3*2^n+1 divides Phi(3*2^(n-1),2) for n = 5, 6, 8, 12, and the cofactor of them are all primes (this is the cofactor for n=12 (http://factordb.com/index.php?id=1100000000017315254)), are there any...
 Forum: sweety439 2021-06-24, 02:29 Replies: 0 Views: 50 Posted By sweety439 Interesting properties about Mersenne(-related) exponents and Wagstaff(-related) exponents Mersenne number (Mp, 2^p-1) and Wagstaff number (Wp, (2^p+1)/3): 3 (2^2-1, both Mp and Wp primes) 5 (2^2+1, both Mp and Wp primes) 7 (2^3-1 or 4^1+3, both Mp and Wp primes) 11 (a Sophie Germain...
 Forum: Math 2021-06-24, 02:01 Replies: 23 Views: 3,238 Posted By sweety439 You can extended the table to include more terms... You can extended the table to include more terms in A122834 (https://oeis.org/A122834), now this table includes all known Mersenne exponents (A000043 (https://oeis.org/A000043)) and all known...
 Forum: sweety439 2021-06-24, 01:52 Replies: 152 Views: 12,890 Posted By sweety439 There are many conjectures related to this... There are many conjectures related to this project (find all minimal primes (start with b+1) in bases 2<=b<=1024): * Are there infinitely many Mersenne primes? (related to family {1} in base 2) *...
 Forum: sweety439 2021-06-23, 04:57 Replies: 152 Views: 12,890 Posted By sweety439 all b^n+-2 and b^n+-(b-1) for 2<=b<=1024 tested... all b^n+-2 and b^n+-(b-1) for 2<=b<=1024 tested to n=5000 status files attached (z means b-1, y means b-2) b^n+2 = (1000...0002) base b = 10002 b^n-2 = (zzz...zzzy) base b = zzzzy...
 Forum: FactorDB 2021-06-23, 00:38 Replies: 15 Views: 8,323 Posted By sweety439 Silvester/Euclid sequence in factordb is... Silvester/Euclid sequence in factordb is repeatedly x^2-x+1 until reaching a prime, I think the polynomial "x^2-x+1" can be generalized to any irreducible polynomial with positive leading coefficient...
 Forum: sweety439 2021-06-22, 06:35 Replies: 1,243 Views: 73,385 Posted By sweety439 S40 completed to n=5000 344,1436 ... S40 completed to n=5000 344,1436 1098,1910 1169,0 1229,0 1415,0 1600,0 2012,1299
 Forum: sweety439 2021-06-21, 00:15 Replies: 152 Views: 12,890 Posted By sweety439 b^n+2 (1{0}2) and b^n-2 ({z}y) searched to n=5000... b^n+2 (1{0}2) and b^n-2 ({z}y) searched to n=5000 the corresponding number in the text files are the length of the (probable) prime in base b reserve b^n+(b-1) (1{0}z) and b^n-(b-1) ({z}1)
 Forum: sweety439 2021-06-20, 04:21 Replies: 152 Views: 12,890 Posted By sweety439 Searched 1{0}2 (b^n+2) and {z}y (b^n-2) (for... Searched 1{0}2 (b^n+2) and {z}y (b^n-2) (for bases 2<=b<=1024) up to n=5000 and found the (probable) primes 485^3164-2 and 487^3775-2 b^n+2 for all remain bases b<=711 and b^n-2 for all remain...
 Forum: sweety439 2021-06-20, 03:31 Replies: 1,243 Views: 73,385 Posted By sweety439 All remain k for R40 are searched to n=5000: ... All remain k for R40 are searched to n=5000: 157,0 490,2238 520,1329 534,0 618,0 709,0 739,0
 Forum: sweety439 2021-06-18, 00:30 Replies: 1,243 Views: 73,385 Posted By sweety439 update PRGW result file for SR40 (I only filled... update PRGW result file for SR40 (I only filled the list up to the prime (8324*40^2122+1)/gcd(8324+1,40-1))
 Forum: sweety439 2021-06-17, 22:15 Replies: 1,243 Views: 73,385 Posted By sweety439 Update status for R40: k n 157 490... Update status for R40: k n 157 490 2238 520 1329 534 618 709
 Forum: sweety439 2021-06-17, 22:15 Replies: 1,243 Views: 73,385 Posted By sweety439 Update status for S40: k n 344 ... Update status for S40: k n 344 1436 1098 1910 1169 1229 1415 1600
 Forum: sweety439 2021-06-17, 21:06 Replies: 1,243 Views: 73,385 Posted By sweety439 R106 searched to n=2000 Status file attached. R106 searched to n=2000 Status file attached.
 Forum: sweety439 2021-06-16, 22:56 Replies: 1,243 Views: 73,385 Posted By sweety439 R165, the last k, no (probable) prime found,... R165, the last k, no (probable) prime found, likely at n>=12K
 Forum: sweety439 2021-06-16, 22:30 Replies: 1,243 Views: 73,385 Posted By sweety439 1132*12^28717-1 is prime!!! The 4th... 1132*12^28717-1 is prime!!! The 4th conjecture of R12 is proven!!! (this prime is my largest proven prime, i.e. PRPs are not counted)
 Forum: sweety439 2021-06-15, 23:30 Replies: 1,243 Views: 73,385 Posted By sweety439 https://docs.google.com/document/d/e/2PACX-1vRsZJe... https://docs.google.com/document/d/e/2PACX-1vRsZJeVL5kiS3OgWYgranoCe-SN8L1lF-mGkXjzd0BthR2PXklJ4OG5v2lupBCeAwyn1uBtKeLncFwD/pub I am now also building the table of the first 4 Riesel/Sierpinski...
 Forum: sweety439 2021-06-15, 22:10 Replies: 1,243 Views: 73,385 Posted By sweety439 Riesel base 200 1,17807 2,2 3,1 4,7 5,2 6,2 7,1 8,16 9,3 10,1
 Forum: sweety439 2021-06-15, 22:04 Replies: 1,243 Views: 73,385 Posted By sweety439 Riesel base 199 1,577 2,1 3,24 4,(partial algebra factors) 5,3 6,1 7,104 8,5
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