12 890 429 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
42352881849965566079	20	65.2	2014-04-27 15:16:51

Status	Date	User	Residue	Shift
Verified (Factored)	2001-10-20	Jakob Trier	A0F8A12486448911	5474512
Verified (Factored)	2004-09-16	Marc Getty / Phil Fizur	A0F8A12486448911	8679874

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2022-06-09	Ember_Edison	8619733F6996559C	1	1067992	5	3

History

Date	User	Type	Result
2023-10-27	nordi	NF-PM1	B1=500000, B2=446273100
2023-10-20	nordi	NF-PM1	B1=500000
2022-06-09	Michael_Lin	CERT	PRP Certification Proof certified good
2022-06-09	Ember_Edison	C-PRP	M12890429/42352881849965566079 : 8619733F6996559C PRP proof power = 8 PRP: Verified Proof certified good
2014-04-27	Nesowa	F	Factor: 42352881849965566079 / TF: 65-66
2013-06-01	lycorn	NF	no factor from 2^64 to 2^65