1 910 611 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
325633756971928116433	21	68.1	2011-07-18 04:42:22
13697920322276407317521	23	73.5	2021-08-21 07:12:51

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Martin Fahlgren	78341AAACA8033DA	0
Verified (Factored)	1998-12-21	Roger Smith	78341AAACA8033DA	315463

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-04	Oliver Kruse	292B50B5F6A40E8F	1	0	1	3
Verified (Factored)	2017-11-09	ATH	292B50B5F6A40E8F	1	564738	1	3
Verified	2021-08-22	_p95holder_	29C60A072C885082	2	799716	5	3
Verified	2021-08-27	LaurV	29C60A072C885082	2	1646535	5	3

History

Date	User	Type	Result
2021-08-27	Chad Steenerson	CERT	PRP Certification Proof certified good
2021-08-27	LaurV	C-PRP	M1910611/325633756971928116433/13697920322276407317521 : 29C60A072C885082 PRP proof power = 7 PRP: Verified Proof certified good
2021-08-22	_p95holder_	C-PRP	M1910611/325633756971928116433/13697920322276407317521 : 29C60A072C885082 PRP: Verified PRP without proof (not generated)
2021-08-21	_p95holder_	F-ECM	Factor: 13697920322276407317521 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-09	ATH	C-PRP	M1910611/325633756971928116433 : 292B50B5F6A40E8F PRP: Verified PRP without proof (not generated)
2017-10-04	Oliver Kruse	C-PRP	M1910611/325633756971928116433 : 292B50B5F6A40E8F PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2011-07-18	kurly	F-PM1	Factor: 325633756971928116433
2011-07-17	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2009-05-28	Architects Cubed	NF	no factor from 2^60 to 2^61