Found a factor, sunshine? Embalm and entomb it here! (RU "Выкрасить и выбросить")) - Page 197

sweety439 · 2022-06-20, 04:39

Quote:

Originally Posted by linament

I didn't think I was ever going to get a P-1 factor that I thought was worthy of posting here; but, today (PDT), I found 8879293 has a composite factor, 1952505446389508559973390809501412786062062585404808923663962210457688947228452593 (270.042 bits):
50994862427838411172711063748653752754 (128.584 bits) and 3828827755251720703479206898096918957995351 (141.458 bits)
Also found today, but slightly less impressive, I found 8859827 has a composite factor, 3564553875788467188403061203234448263673576104207 (164.608 bits):
39185475778814976961751 (75.053 bits) and 909662012504027897396320321 (89.565 bits)
My first ever double composite in a single day.

Your factors are completely wrong.

509948624278384111727110637486537527543 instead of 50994862427838411172711063748653752754

35645538757884671884030612032344482636735761042071 instead of 3564553875788467188403061203234448263673576104207

masser · 2022-06-20, 05:05

Quote:

Originally Posted by linament

I didn't think I was ever going to get a P-1 factor that I thought was worthy of posting here; but, today (PDT), I found 8879293 has a composite factor, 1952505446389508559973390809501412786062062585404808923663962210457688947228452593 (270.042 bits):
50994862427838411172711063748653752754 (128.584 bits) and 3828827755251720703479206898096918957995351 (141.458 bits)
Also found today, but slightly less impressive, I found 8859827 has a composite factor, 3564553875788467188403061203234448263673576104207 (164.608 bits):
39185475778814976961751 (75.053 bits) and 909662012504027897396320321 (89.565 bits)
My first ever double composite in a single day.

- the larger factor is 43rd on the all time p-1 Mersenne factor list!

tha · 2022-06-20, 15:16

Find of the day: 9491897

145.7 bits, personal record.

James Heinrich · 2022-06-20, 15:54

Quote:

Originally Posted by tha

Find of the day: 9491897 145.7 bits, personal record.

Impressive!

tha · 2022-06-20, 22:31

Quote:

Originally Posted by tha

Find of the day: 9491897

145.7 bits, personal record.

And a 127.6 bits find within 24 hours thereafter: 9493151

masser · 2022-06-21, 23:55

An absolute unit:

James Heinrich · 2022-06-22, 00:20

Quote:

Originally Posted by masser

An absolute unit:

M27506879 has a 230.239-bit (70-digit) composite (P22+P23+P26) factor: 2036174125816121071359980479118739320526578640539327308453173168258209 (P-1,B1=285000,B2=34496700)
Exponent had 3 previously-known factors, now it has 3 more for a total of 6.

2022-06-20, 15:16	#2159
tha Dec 2002 2×5²×17 Posts	Find of the day: 9491897 145.7 bits, personal record. Last fiddled with by tha on 2022-06-20 at 15:17

2022-06-21, 23:55	#2162
masser Jul 2003 Behind BB 772₁₆ Posts	An absolute unit: Attached Thumbnails

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