41 947 189 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 2⁷²

P-1

B1 =	380000
B2 =	1900000

Status	Date	User	Residue	Shift
Verified	2008-03-30	C. Cooper / S. Boone	4421FF7F358D38AF	8139390
Verified	2016-01-27	peter_sanders	4421FF7F358D38AF	232185

History

Date	User	Type	Result
2020-01-24	-Anonymous-	NF	no factor from 2^73 to 2^74
2019-10-05	-Anonymous-	NF	no factor from 2^72 to 2^73
2016-01-27	peter_sanders	C-LL	4421FF7F358D38AF
2015-08-24	AirSquirrels	NF	no factor from 2^71 to 2^72
2015-02-21	Mark Rose	NF	no factor from 2^70 to 2^71
2015-01-11	Bdot	NF	no factor from 2^69 to 2^70