7 849 811 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
15699623	8	23.9	old
2488058589481471	16	51.1	2014-06-18 11:42:57

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-05-25	_p95holder_	881D0F26CEEEF42F	2	4426202	5	3
Verified	2019-10-25	marssystems	881D0F26CEEEF42F	2	3432176	5	3

History

Date	User	Type	Result
2024-02-06	Stef42	NF-PM1	B1=859000, B2=1420146000
2019-10-25	marssystems	C-PRP	M7849811/15699623/2488058589481471 : 881D0F26CEEEF42F PRP: Verified PRP without proof (not generated)
2018-05-25	_p95holder_	C-PRP	M7849811/15699623/2488058589481471 : 881D0F26CEEEF42F PRP: Verified PRP without proof (not generated)
2014-06-18	TJAOI	F	Factor: 2488058589481471