34 470 841 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 2⁷⁵

TF target 2⁷¹

P-1

B1 =	1500000
B2 =	45000000

Status	Date	User	Residue	Shift
Verified	2005-07-01	Carl McCombs	C6B0E1149C7AE3D3	16159103
Verified	2015-04-09	fireredd	C6B0E1149C7AE3D3	17210251

History

Date	User	Type	Result
2024-05-29	Chuck	NF	no factor from 2^68 to 2^69
2021-10-20	Sid & Andy	NF	no factor from 2^74 to 2^75
2021-08-10	megavink	NF-PM1	B1=1500000, B2=45000000
2020-03-06	-Anonymous-	NF	no factor from 2^73 to 2^74
2019-10-23	LaurV	NF	no factor from 2^72 to 2^73
2019-10-23	LaurV	NF	no factor from 2^71 to 2^72
2015-04-09	fireredd	C-LL	C6B0E1149C7AE3D3
2014-06-01	ktony	NF	no factor from 2^70 to 2^71
2014-06-01	ktony	NF	no factor from 2^69 to 2^70
2013-03-10	Carsten Kossendey	NF	no factor from 2^68 to 2^69