7 855 931 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
120753829638241	15	46.8	old
8722311700534148513873	22	72.9	2024-01-31 21:48:45

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-05-28	_p95holder_	41DC107DB797E096	1	2027183	5	3
Verified (Factored)	2019-10-28	ATH	41DC107DB797E096	1	5932628	5	3
Verified	2024-02-09	Naegi Makoto	41DC107DB797E096	2	5257867	5	3

P-1 factors

Date	Factor	B1	B2
2024-01-31	8722311700534148513873	950000	1968826860

History

Date	User	Type	Result
2024-02-09	WeakForceBoson	CERT	PRP Certification Proof certified good
2024-02-09	Naegi Makoto	C-PRP	M7855931/120753829638241/8722311700534148513873 : 41DC107DB797E096 PRP proof power = 8 PRP: Verified Proof certified good
2024-01-31	Stef42	F-PM1	Factor: 8722311700534148513873 / (P-1, B1=950000, B2=1968826860)
2019-10-28	ATH	C-PRP	M7855931/120753829638241 : 41DC107DB797E096 PRP: Verified (Factored) PRP without proof (not generated)
2018-05-28	_p95holder_	C-PRP	M7855931/120753829638241 : 41DC107DB797E096 PRP: Verified (Factored) PRP without proof (not generated)