10 904 339 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

TF

No factors below 2⁷⁴

TF target 2⁶⁸

P-1

B1 =	2200000
B2 =	1625183340

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

Status	Date	User	Residue	Shift
Verified	2001-08-04	Andy Foote	F12A17411A0BA8CD	5033327
Verified	2004-01-27	Chris Siegert	F12A17411A0BA8CD	3932260

History

Date	User	Type	Result
2024-02-29	Sid & Andy	NF-PM1	B1=2200000, B2=1625183340
2022-02-06	-Anonymous-	NF	no factor from 2^73 to 2^74
2022-02-04	-Anonymous-	NF	no factor from 2^72 to 2^73
2021-10-29	SRBase	NF	no factor from 2^71 to 2^72
2021-08-13	SRBase	NF	no factor from 2^70 to 2^71
2020-09-18	ViliamF	NF	no factor from 2^69 to 2^70
2017-12-12	ramgeis	NF	no factor from 2^68 to 2^69
2017-12-12	ramgeis	NF	no factor from 2^67 to 2^68
2015-11-10	VictordeHollander	NF	no factor from 2^66 to 2^67
2015-05-20	Tha	NF	no factor from 2^65 to 2^66
2013-12-06	lycorn	NF	no factor from 2^64 to 2^65
2012-07-10	Craig Meyers	NF-PM1	B1=170000, B2=3000000, E=6