64 887 541 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 2⁷⁵

TF target 2⁷⁴

P-1

B1 =	580000
B2 =	11745000

Status	Date	User	Residue	Shift
Verified	2015-01-23	Vince	F67235FA0EA5B6B0	2683153
Verified	2023-05-22	belezbar	F67235FA0EA5B6B0	38322935

History

Date	User	Type	Result
2023-05-22	belezbar	C-LL	F67235FA0EA5B6B0
2022-10-11	MadPoo	NF	no factor from 2^74 to 2^75
2016-02-23	Mark Rose	NF	no factor from 2^60 to 2^63
2015-01-23	Vince	C-LL	F67235FA0EA5B6B0
2013-12-21	owftheevil	NF-PM1	B1=580000, B2=11745000, E=12
2013-12-08	Axelsson	NF	no factor from 2^73 to 2^74
2013-12-08	Axelsson	NF	no factor from 2^72 to 2^73
2013-11-17	RichD0	NF	no factor from 2^71 to 2^72
2012-06-11	wangyun183	NF	no factor from 2^70 to 2^71
2012-01-20	tmorrow	NF	no factor from 2^69 to 2^70
2009-09-25	willmore	NF	no factor from 2^68 to 2^69
2009-03-19	poomk	NF	no factor from 2^67 to 2^68
2009-03-18	kowsar ashrostaghi	NF	no factor from 2^66 to 2^67
2009-03-14	Dr Stu	NF	no factor from 2^65 to 2^66
2009-03-13	Dr Stu	NF	no factor from 2^64 to 2^65
2009-03-13	-Anonymous-	NF	no factor from 2^63 to 2^64