3 791 213 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
108136077144775206077634158263	30	96.4	2017-08-10 11:09:02

ECM

Digits	B1	Curves
25	50000	10 / 280

Estimated T-Level: 20.2 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Robert Friberg	DC24DC345FCCF744	0
Verified (Factored)	2000-01-25	david	DC24DC345FCCF744	3645823

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-28	alpertron	01F00A28C387473F	1	0	1	3
Verified	2017-12-09	Oliver Kruse	01F00A28C387473F	1	2057819	1	3

History

Date	User	Type	Result
2022-05-24	Joss	NF-PM1	B1=100000, B2=130364850
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-05	Joss	NF-PM1	B1=90000
2017-12-09	Oliver Kruse	C-PRP	M3791213/108136077144775206077634158263 : 01F00A28C387473F PRP: Verified PRP without proof (not generated)
2017-09-28	alpertron	C-PRP	M3791213/108136077144775206077634158263 : 01F00A28C387473F PRP: Verified PRP without proof (not generated)
2017-08-10	Conductor	F-ECM	Factor: 108136077144775206077634158263 / (ECM curve 1, B1=50000, B2=5000000)
2016-11-13	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-25	ramgeis	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-01-27	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-01-27	VictordeHollander	NF	no factor from 2^63 to 2^64
2012-12-22	Squeeky_Squirrel	NF-PM1	B1=250000, B2=7750000, E=12
2012-04-20	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2011-04-08	markr	NF	no factor from 2^61 to 2^62
2009-07-15	Carsten Kossendey	NF-PM1	B1=20000, B2=265000
2009-03-01	S485122	NF	no factor from 2^60 to 2^61