fond of a factor? Urn yourself to become remains - Page 164

Jwb52z · 2021-02-14, 01:23

P-1 found a factor in stage #2, B1=739000, B2=19974000.
UID: Jwb52z/Clay, M102606121 has a factor: 286278308342764813608289 (P-1, B1=739000, B2=19974000),

77.922 bits.

masser · 2021-02-14, 22:25

M14021941 has a factor: 658712964914137545610873 (P-1, B1=550000, B2=50000000, e=12, n=800K CUDAPm1 v0.22)

Not a very big one, but ...

Brent-Suyama:
P-1 = 658712 964914 137545 610872 = 2^3 × 3 × 23 × 29 × 41 × 67 × 14,021,941 × 1,068,297,817

James Heinrich · 2021-02-18, 17:00

Quote:

M74297 has a 115.150-bit (35-digit) factor: 46093402217811334422500629825749239 (ECM,B1=3000000,B2=300000000,Sigma=861422999935301)

Not my factor, but has a 98-bit prime k.

storm5510 · 2021-02-25, 15:28

M672151 has a 92.364-bit (28-digit) factor: 6371270358962852152708374071 (ECM,B1=250000,B2=25000000,Sigma=1287986895578128)

Is "sigma" a recent addition to the BBcode converter? I don't remember seeing it before.

James Heinrich · 2021-02-25, 15:41

Quote:

Originally Posted by storm5510

Is "sigma" a recent addition to the BBcode converter? I don't remember seeing it before.

I added maybe 3 months ago.

Runtime Error · 2021-03-06, 00:06

Not big enough for Top 500, but still pretty big!

M102885221 has a 116.736-bit (36-digit) factor: 138350038577290668825510687167523289 (P-1,B1=1200000,B2=73200000)

Xyzzy · 2021-03-09, 13:55

M32420933 has a 104.770-bit (32-digit) factor: 34588826421437796964455285406873 (P-1,B1=1000000,B2=1000000)

firejuggler · 2021-03-09, 22:15

M27133867 has a 103.452-bit (32-digit) factor: 13873846040230053282547473883439 (P-1,B1=1350000)

Jwb52z · 2021-03-09, 22:23

P-1 found a factor in stage #1, B1=742000.
UID: Jwb52z/Clay, M103030289 has a factor: 123545495958101009290577 (P-1, B1=742000),

76.709 bits.

Uncwilly · 2021-03-09, 22:48

User Bruno Victal found a top 500 factor:
7121 has a factor: 981699625212423826313904772778259971143
129.529 bits, 39 digits
k 68929899256594848077089227129494451 = 3 × 7 × 61 × 53809445165179428631607515323571

axn · 2021-03-10, 02:48

Code:

M3719987 has a factor: 881990415365354042303 [TF:69:70:mfaktc 0.21 barrett76_mul32_gs]
M3719987 has a factor: 594140183196613372391 [TF:69:70:mfaktc 0.21 barrett76_mul32_gs]
found 2 factors for M3719987 from 2^69 to 2^70 [mfaktc 0.21 barrett76_mul32_gs]

2021-02-25, 15:28	#1797
storm5510 Random Account Aug 2009 3²×7×31 Posts	M672151 has a 92.364-bit (28-digit) factor: 6371270358962852152708374071 (ECM,B1=250000,B2=25000000,Sigma=1287986895578128) Is "sigma" a recent addition to the BBcode converter? I don't remember seeing it before. Last fiddled with by storm5510 on 2021-02-25 at 15:30

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
A new factor of F11?!	siegert81	FermatSearch	2	2018-01-24 04:35
A fond farewell	rogue	Lounge	10	2008-11-21 05:25
who can factor 10^100+27?	aaa120	Factoring	17	2008-11-13 19:23
New factor	fivemack	ElevenSmooth	4	2008-05-07 19:28
Shortest time to complete a 2^67 trial factor (no factor)	dsouza123	Software	12	2003-08-21 18:38

2021-02-14, 01:23	#1794
Jwb52z Sep 2002 2×3×7×19 Posts	P-1 found a factor in stage #2, B1=739000, B2=19974000. UID: Jwb52z/Clay, M102606121 has a factor: 286278308342764813608289 (P-1, B1=739000, B2=19974000), 77.922 bits.

2021-02-14, 22:25	#1795
masser Jul 2003 wear a mask 11001111001₂ Posts	M14021941 has a factor: 658712964914137545610873 (P-1, B1=550000, B2=50000000, e=12, n=800K CUDAPm1 v0.22) Not a very big one, but ... Brent-Suyama: P-1 = 658712 964914 137545 610872 = 2^3 × 3 × 23 × 29 × 41 × 67 × 14,021,941 × 1,068,297,817

2021-03-06, 00:06	#1799
Runtime Error Sep 2017 USA 324₈ Posts	Not big enough for Top 500, but still pretty big! M102885221 has a 116.736-bit (36-digit) factor: 138350038577290668825510687167523289 (P-1,B1=1200000,B2=73200000)

2021-03-09, 13:55	#1800
Xyzzy "Mike" Aug 2002 20040₈ Posts	M32420933 has a 104.770-bit (32-digit) factor: 34588826421437796964455285406873 (P-1,B1=1000000,B2=1000000)

2021-03-09, 22:15	#1801
firejuggler Apr 2010 Over the rainbow A28₁₆ Posts	M27133867 has a 103.452-bit (32-digit) factor: 13873846040230053282547473883439 (P-1,B1=1350000)

2021-03-09, 22:23	#1802
Jwb52z Sep 2002 1436₈ Posts	P-1 found a factor in stage #1, B1=742000. UID: Jwb52z/Clay, M103030289 has a factor: 123545495958101009290577 (P-1, B1=742000), 76.709 bits.

2021-03-09, 22:48	#1803
Uncwilly 6809 > 6502 """"""""""""""""""" Aug 2003 101×103 Posts 23070₈ Posts	User Bruno Victal found a top 500 factor: 7121 has a factor: 981699625212423826313904772778259971143 129.529 bits, 39 digits k 68929899256594848077089227129494451 = 3 × 7 × 61 × 53809445165179428631607515323571