8 017 979 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
256575329	9	27.9	old
721618111	9	29.4	2008-09-08 03:44:03
168947492983279	15	47.3	2008-03-11 03:34:41
1359388488489755296049	22	70.2	2024-03-27 16:10:41

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-07-13	_p95holder_	13286FCF7A12A1C3	3	1883497	5	3
Verified (Factored)	2019-12-30	mnd9	13286FCF7A12A1C3	3	1460202	5	3
Verified	2024-04-02	Perig	13286FCF7A12A1C3	4	7266300	5	3

P-1 factors

Date	Factor	B1	B2
2024-03-27	1359388488489755296049	3000000	6791502900

History

Date	User	Type	Result
2024-04-02	MathEnthousiast	CERT	PRP Certification Proof certified good
2024-04-02	Perig	C-PRP	M8017979/256575329/168947492983279/721618111/1359388488489755296049 : 13286FCF7A12A1C3 PRP proof power = 8 PRP: Verified Proof certified good
2024-03-27	Stef42	F-PM1	Factor: 1359388488489755296049 / (P-1, B1=3000000, B2=6791502900)
2019-12-30	mnd9	C-PRP	M8017979/256575329/168947492983279/721618111 : 13286FCF7A12A1C3 PRP: Verified (Factored) PRP without proof (not generated)
2018-07-13	_p95holder_	C-PRP	M8017979/256575329/168947492983279/721618111 : 13286FCF7A12A1C3 PRP: Verified (Factored) PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 721618111