2 325 823 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
21025677992429921274030270247	29	94.1	2016-04-29 02:51:22

ECM

Digits	B1	Curves
25	50000	75 / 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)		Martin Lehmann	ADA8A334D52D128E	0
Verified (Factored)	1999-03-15	Jim Eves	ADA8A334D52D128E	961360

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-11	Oliver Kruse	97DF6A58ABB73894	1	0	1	3
Verified	2017-11-23	ATH	97DF6A58ABB73894	1	1831181	1	3

History

Date	User	Type	Result
2021-04-24	ViliamF	NF-PM1	B1=5000000, B2=305000000
2018-03-05	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-11-23	ATH	C-PRP	M2325823/21025677992429921274030270247 : 97DF6A58ABB73894 PRP: Verified PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2325823/21025677992429921274030270247 : 97DF6A58ABB73894 PRP: Verified PRP without proof (not generated)
2016-04-29	AnthonyRais	F-ECM	Factor: 21025677992429921274030270247 / (ECM curve 2, B1=50000, B2=5000000)
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^60
2015-10-25	ramgeis	NF	no factor from 2^65 to 2^66
2015-03-03	VictordeHollander	NF	no factor from 2^64 to 2^65
2015-03-03	VictordeHollander	NF	no factor from 2^63 to 2^64
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2012-05-26	Sebastian Hornbostel	NF	no factor from 2^61 to 2^62
2010-02-24	Bud	NF-PM1	B1=500000, B2=10000000, E=12
2009-01-17	Sturle Sunde	NF	no factor from 2^60 to 2^61