8 100 377 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
6464100847	10	32.6	old

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-08-09	_p95holder_	A510C7A0F6C3371C	1	5209403	5	3
Verified	2020-02-03	GAN	A510C7A0F6C3371C	1	5595696	5	3

History

Date	User	Type	Result
2022-10-26	Flaukrotist	NF	no factor from 2^68 to 2^69
2022-05-06	Flaukrotist	NF-PM1	B1=2200000, B2=1908376140
2022-01-16	Flaukrotist	NF	no factor from 2^67 to 2^68
2020-02-03	GAN	C-PRP	M8100377/6464100847 : A510C7A0F6C3371C PRP: Verified PRP without proof (not generated)
2018-08-09	_p95holder_	C-PRP	M8100377/6464100847 : A510C7A0F6C3371C PRP: Verified PRP without proof (not generated)