12 202 037 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
106445473338235103	18	56.6	old
41973075801504255241	20	65.2	2018-07-17 10:14:18
13830384658715954256492241	26	83.5	2022-02-06 22:25:28
2051458231971330673310440193	28	90.7	2022-02-06 22:25:28

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-02-13	Poao	95BC96901D6AFD00	4	5287393	5	3

P-1 factors

Date	Factor	B1	B2
2022-02-06	28372456459452847093193443433597514041372815799042513	400000	343450800

History

Date	User	Type	Result
2022-02-13	curtisc	CERT	PRP Certification Proof certified good
2022-02-13	Poao	C-PRP	M12202037/106445473338235103/41973075801504255241/13830384658715954256492241/2051458231971330673310440193 : 95BC96901D6AFD00 PRP proof power = 8 PRP: Verified Proof certified good
2022-02-06	nordi	F-PM1	Factor: 28372456459452847093193443433597514041372815799042513 / (P-1, B1=400000, B2=343450800)
2022-01-25	nordi	NF-PM1	B1=400000
2018-07-17	TJAOI	F	Factor: 41973075801504255241 / TF: 65-66