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 Showing results 1 to 25 of 793 Search took 0.13 seconds. Search: Posts Made By: MattcAnderson
 Forum: FermatSearch 2021-06-22, 08:05 Replies: 30 Sticky: Results Views: 10,333 Posted By MattcAnderson oops, I reported the same results twice. My... oops, I reported the same results twice. My computer continues to calculate and calculate. More results no factor for k*2^35+1 in k range: 700P to 710P (95-bit factors) [mmff 0.28...
 Forum: Data 2021-06-21, 19:02 Replies: 5 Views: 5,648 Posted By MattcAnderson factordb data Hi all, An integer factorization database exists at factordb.com In my humble opinion, this database will be more useful if it has more data in it. Feel free to donate computer power to this...
 Forum: MattcAnderson 2021-06-21, 05:01 Replies: 14 Views: 440 Posted By MattcAnderson Hi again all, Today's favorite mega number... Hi again all, Today's favorite mega number starts with 1.7 million. I like those numbers. And to avoid round numbers, I choose the number 1,712,121. We see that 1,712,121 = 3 * 17 * 59 * 569....
 Forum: Information & Answers 2021-06-20, 03:11 Replies: 5 Views: 206 Posted By MattcAnderson Welcome to MersenneForum.org birtwistlecaleb... Welcome to MersenneForum.org birtwistlecaleb !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! glad to have you participating
 Forum: Information & Answers 2021-06-19, 02:31 Replies: 4 Views: 258 Posted By MattcAnderson Welcome to Mersenne Forum... Welcome to Mersenne Forum !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Best of luck. It can be fun.
 Forum: MattcAnderson 2021-06-19, 00:20 Replies: 5 Views: 205 Posted By MattcAnderson more Frobenius Thank you a1call and Dr.Sardonicus for your enthusiastic and helpful comments. Another example of a two coin problem would be with a=3 pence and b=4 pence. Then since Frobenius(a,b) = a*b...
 Forum: FactorDB 2021-06-18, 21:12 Replies: 1,627 Views: 158,707 Posted By MattcAnderson Hi again all, Factordb.com has a limit to... Hi again all, Factordb.com has a limit to largest input it would take. I received the error. Error: Limit of about 10.000.000 digits exceeded I found an interesting result for a C1,000,000 ...
 Forum: Information & Answers 2021-06-18, 06:12 Replies: 5 Views: 125 Posted By MattcAnderson Welcome to MersenneForum... Welcome to MersenneForum !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! maybe this link will be helpful https://www.mersenne.org/various/math.php Regards, Matt
 Forum: MattcAnderson 2021-06-18, 02:11 Replies: 5 Views: 205 Posted By MattcAnderson Frobenius number Today I learned, about the 'coin problem'. "With only a 2 pence and 5 pence coins, one cannot make 3 pence, but one can make any higher integral amount. Very interesting Similarly, with...
 Forum: Lounge 2021-06-17, 06:13 Replies: 1,699 Views: 82,017 Posted By MattcAnderson funny friends usually nice nanny yodel ... funny friends usually nice nanny yodel yodel
 Forum: MattcAnderson 2021-06-17, 05:57 Replies: 0 Views: 61 Posted By MattcAnderson Ryan web page - archaeologist in Pacific Lutheran University department of Humanities Donald P. Ryan (https://community.plu.edu/~ryandp/) I showed him how to code webpages (HTML) and if I do say so myself, we made some...
 Forum: MattcAnderson 2021-06-17, 04:46 Replies: 2 Views: 48 Posted By MattcAnderson I like that Wayne. I like that Wayne.
 Forum: MattcAnderson 2021-06-17, 03:29 Replies: 2 Views: 48 Posted By MattcAnderson a worthy meme look
 Forum: MattcAnderson 2021-06-16, 18:52 Replies: 0 Views: 33 Posted By MattcAnderson remembered songs Hi again all, enjoy Matt
 Forum: FactorDB 2021-06-16, 17:57 Replies: 1,627 Views: 158,707 Posted By MattcAnderson I really enjoy factordb.com It is very... I really enjoy factordb.com It is very impressive and can handle 200 digit numbers. my latest contribution is 66640677780239073397348544449935115508844251925178751602054631202961 <68...
 Forum: MattcAnderson 2021-06-16, 07:42 Replies: 1 Views: 164 Posted By MattcAnderson Here is a list of many algebraic factorization s... Here is a list of many algebraic factorization s to find cases when f(n) = n^2 + n + 41 is a composite number. I used a data table from a Maple calculation to list numbers when f(n) is a...
 Forum: MattcAnderson 2021-06-16, 07:09 Replies: 0 Views: 36 Posted By MattcAnderson divisors summary Hi again all, Fun fact for today. If b has p divisors, then b also has p-1 proper divisors. 1 counts as a divisor and a proper divisor. I try not to confuse myself. Also, I got a useful...
 Forum: Lounge 2021-06-16, 02:01 Replies: 1,699 Views: 82,017 Posted By MattcAnderson awful any wayward frankfurter under laughter... awful any wayward frankfurter under laughter under
 Forum: MattcAnderson 2021-06-15, 17:36 Replies: 1 Views: 71 Posted By MattcAnderson more on discrete divisors Hi again all, I tried to summarize some of my results regarding discrete divisors of a number.
 Forum: MattcAnderson 2021-06-15, 16:57 Replies: 4 Views: 143 Posted By MattcAnderson Now an previously unknown C83 is a P36 times a... Now an previously unknown C83 is a P36 times a P48 To show 38146669211999441488164746438552634539130258479280936639266759628326547189425577797<83> 134954146509066228002222828521591151<36> ยท...
 Forum: MattcAnderson 2021-06-15, 09:08 Replies: 1 Views: 164 Posted By MattcAnderson prime producing polynomial See this polynomial q(n) = n^2 + n + 41 assume n is a positive integer I once received a standing ovation for a presentation on this topic at a 3 day math conference. It was at Salishan...
 Forum: MattcAnderson 2021-06-15, 08:29 Replies: 4 Views: 143 Posted By MattcAnderson Now a C67 ... Now a C67 2878189567560747844730239605664433489522492631397317607235068302073 so interesting and useful in at least 3 millennia as we continue to colonize Mars. good mathematical trivia
 Forum: MattcAnderson 2021-06-15, 07:57 Replies: 4 Views: 143 Posted By MattcAnderson Found a C70 ... Found a C70 5251595955542976485924773357619648101146114174676995076345134370657229 away from keyboard 3721001974321543266672687967*(22424797223486196447937965793*62936542414259) P14 * P28...
 Forum: MattcAnderson 2021-06-15, 07:34 Replies: 4 Views: 143 Posted By MattcAnderson fun with factordb.com Tonight I found that a C75 is a P32 times a P44. It required 165.14 seconds of computer time, Using Maple 13 student version and my computer is Windows 7 Home Premium, service pack 1 (stable...
 Forum: MattcAnderson 2021-06-15, 07:07 Replies: 0 Views: 38 Posted By MattcAnderson recall trigonometry look, even if you have seen it before.
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