41 980 441 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	2008-06-22	C. Cooper / S. Boone	7F4951CFA2073047	16127654
Verified	2017-09-11	Avo	7F4951CFA2073047	25049920

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
2017-09-11	Avo	C-LL	7F4951CFA2073047
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^64
2016-02-23	Mark Rose	NF	no factor from 2^68 to 2^69
2016-02-23	Mark Rose	NF	no factor from 2^65 to 2^66
2016-02-23	Mark Rose	NF	no factor from 2^67 to 2^68
2016-02-23	Mark Rose	NF	no factor from 2^64 to 2^65
2016-02-23	Mark Rose	NF	no factor from 2^66 to 2^67
2015-08-26	AirSquirrels	NF	no factor from 2^71 to 2^72
2015-02-23	Mark Rose	NF	no factor from 2^70 to 2^71
2015-01-30	Mark Rose	NF	no factor from 2^69 to 2^70