55 296 083 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷⁴

TF target 2⁷³

P-1

B1 =	650000
B2 =	16900000

Status	Date	User	Residue	Shift
Verified	2012-01-10	ANONYMOUS	269B1BD4A16DA8E7	30084645
Verified	2021-01-04	Dmitriy Degtiarev	269B1BD4A16DA8E7	32745867

History

Date	User	Type	Result
2021-01-04	Dmitriy Degtiarev	C-LL	269B1BD4A16DA8E7
2019-03-31	Luigi Morelli	NF	no factor from 2^73 to 2^74
2016-01-29	-Anonymous-	NF	no factor from 2^72 to 2^73
2015-12-05	Sid & Andy	NF	no factor from 2^71 to 2^72
2012-01-10	ANONYMOUS	C-LL	269B1BD4A16DA8E7
2011-09-07	Tom Duell	NF	no factor from 2^70 to 2^71
2011-08-23	Tom Duell	NF	no factor from 2^69 to 2^70
2011-08-06	Scott Crawford	NF-PM1	B1=650000, B2=16900000
2011-04-06	cyeber	NF	no factor from 2^68 to 2^69
2009-05-16	SAHS Science Dept	NF	no factor from 2^67 to 2^68
2009-01-09	-Anonymous-	NF	no factor from 2^66 to 2^67
2009-01-09	bayanne	NF	no factor from 2^65 to 2^66
2009-01-06	Alex	NF	no factor from 2^64 to 2^65
2008-11-03	1997rj7	NF	no factor to 2^64