2 370 677 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
127276587648083720641231	24	76.8	2020-07-20 17:47:17

ECM

Digits	B1	Curves
25	50000	70 / 280

Estimated T-Level: 21.3 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		greg yenney	E3A1B0F238B90659	0
Verified (Factored)	1999-03-01	Stephen Wood	E3A1B0F238B90659	2125187
Verified (Factored)	2018-05-13	kkmrkkblmbrbk	E3A1B0F238B90659	1169469

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-07-20	ATH	DF830D9339C66F6A	1	325751	5	3
Verified	2020-07-21	pew	DF830D9339C66F6A	1	2127604	5	3

History

Date	User	Type	Result
2020-07-21	pew	C-PRP	M2370677/127276587648083720641231 : DF830D9339C66F6A PRP: Verified PRP without proof (not generated)
2020-07-20	ATH	C-PRP	M2370677/127276587648083720641231 : DF830D9339C66F6A PRP: Verified PRP without proof (not generated)
2020-07-20	daveward2005	F-ECM	Factor: 127276587648083720641231 / (ECM curve 1, B1=50000, B2=5000000)
2019-04-08	TJAOI	NF	no factor from 2^67 to 2^68
2018-05-13	kkmrkkblmbrbk	C-LL	E3A1B0F238B90659
2017-06-16	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^59 to 2^60
2015-10-30	ramgeis	NF	no factor from 2^65 to 2^66
2015-09-28	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2015-03-09	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-09	VictordeHollander	NF	no factor from 2^63 to 2^64
2014-09-10	Joss	NF-PM1	B1=127074
2013-12-04	Jerry Hallett	NF	no factor from 2^62 to 2^63
2012-05-31	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2010-12-29	markr	NF-PM1	B1=100000, B2=2025000, E=6
2010-11-04	Joss	NF-PM1	B1=20000
2009-01-13	Sturle Sunde	NF	no factor from 2^60 to 2^61