3 042 469 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
277812990249345634871	21	67.9	2018-07-22 23:52:54

ECM

Digits	B1	Curves
25	50000	15 / 280

Estimated T-Level: 20.3 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Timo Aaltonen and friends	B92293A288833FBD	0
Verified (Factored)	1999-11-10	Scott Alfter	B92293A288833FBD	511875

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-23	_p95holder_	2177795EAD809B44	1	1639526	5	3
Verified	2018-07-23	_p95holder_	2177795EAD809B44	1	2155775	5	3
Verified	2018-07-24	Battlemaxx	2177795EAD809B44	1	1804827	5	3

History

Date	User	Type	Result
2022-02-13	Joss	NF-PM1	B1=1000000, B2=119912100
2022-01-26	Joss	NF-PM1	B1=1000000
2020-06-01	Joss	NF-PM1	B1=304246, B2=3042469, E=6
2018-07-24	Battlemaxx	C-PRP	M3042469/277812990249345634871 : 2177795EAD809B44 PRP: Verified PRP without proof (not generated)
2018-07-23	_p95holder_	C-PRP	M3042469/277812990249345634871 : 2177795EAD809B44 PRP: Verified PRP without proof (not generated)
2018-07-23	_p95holder_	C-PRP	M3042469/277812990249345634871 : 2177795EAD809B44 PRP: Verified PRP without proof (not generated)
2018-07-22	ramgeis	F	Factor: 277812990249345634871 / TF: 67-68*
2017-08-19	mikr	NF-PM1	B1=3000000, B2=100000000, E=12
2017-08-04	Joss	NF-PM1	B1=390000, B2=3900000, E=6
2017-05-04	Gordon Spence	NF	no factor from 2^66 to 2^67
2017-01-04	Joss	NF-PM1	B1=132000
2016-10-13	Squeeky_Squirrel	NF-PM1	B1=195000, B2=5313750, E=6
2015-06-03	Tha	NF	no factor from 2^65 to 2^66
2015-02-07	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-02-07	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-07	dbaugh	NF	no factor from 2^62 to 2^63
2010-11-01	Sid & Andy	NF	no factor from 2^61 to 2^62
2010-10-07	markr	NF-PM1	B1=110000, B2=2420000, E=6
2009-02-12	Sturle Sunde	NF	no factor from 2^60 to 2^61