13 749 971 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
100477198084009	15	46.5	old
6544882246219241	16	52.5	2014-08-16 11:28:52
31203426018619050257	20	64.8	2018-01-04 16:24:47
148713751721887004573471	24	77.0	2022-08-09 16:26:29

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-09-28	Perig	77D8457855E09827	4	5141595	5	3

P-1 factors

Date	Factor	B1	B2
2022-08-09	148713751721887004573471	300000	300000

History

Date	User	Type	Result
2022-09-28	curtisc	CERT	PRP Certification Proof certified good
2022-09-28	Perig	C-PRP	M13749971/100477198084009/6544882246219241/31203426018619050257/148713751721887004573471 : 77D8457855E09827 PRP proof power = 8 PRP: Verified Proof certified good
2022-09-09	nordi	NF-PM1	B1=300000, B2=213802050
2022-08-09	nordi	F-PM1	Factor: 148713751721887004573471 / (P-1, B1=300000, B2=300000)
2018-01-04	TJAOI	F	Factor: 31203426018619050257 / TF: 64-65
2014-08-16	TJAOI	F	Factor: 6544882246219241