7 986 779 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
10438630381604041	17	53.2	old
26685636526294441	17	54.6	2014-12-01 12:14:04
205425956139166842631	21	67.5	2022-08-31 08:31:18

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-07-03	_p95holder_	4F7E1EEBB4E7877D	2	322557	5	3
Verified (Factored)	2019-12-21	marssystems	4F7E1EEBB4E7877D	2	7469091	5	3
Verified	2022-09-07	kutens	4F7E1EEBB4E7877D	3	2932845	5	3

History

Date	User	Type	Result
2024-02-23	Stef42	NF-PM1	B1=2500000, B2=5306860650
2022-09-07	yooper	CERT	PRP Certification Proof certified good
2022-09-07	kutens	C-PRP	M7986779/10438630381604041/26685636526294441/205425956139166842631 : 4F7E1EEBB4E7877D PRP proof power = 8 PRP: Verified Proof certified good
2022-09-07	LordJulius	NF	no factor from 2^66 to 2^67
2022-09-07	LordJulius	NF	no factor from 2^65 to 2^66
2022-09-07	LordJulius	NF	no factor from 2^64 to 2^65
2022-08-31	TJAOI	F	Factor: 205425956139166842631 / TF: 67-68
2019-12-21	marssystems	C-PRP	M7986779/10438630381604041/26685636526294441 : 4F7E1EEBB4E7877D PRP: Verified (Factored) PRP without proof (not generated)
2018-07-03	_p95holder_	C-PRP	M7986779/10438630381604041/26685636526294441 : 4F7E1EEBB4E7877D PRP: Verified (Factored) PRP without proof (not generated)
2014-12-01	TJAOI	F	Factor: 26685636526294441 / TF: 54-55