7 121 021 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
569681681	9	29.1	old
16207771362967	14	43.9	2008-09-08 03:25:56
97366617381647	14	46.5	2008-09-08 03:25:56
603082021430275301039	21	69.0	2024-01-13 16:13:06

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-02-13	Daniil Tsarkov	3AABE673BF048C47	3	3190554	5	3
Verified (Factored)	2019-03-20	kkmrkkblmbrbk	3AABE673BF048C47	3	2917771	5	3
Verified	2024-01-15	Naegi Makoto	3AABE673BF048C47	4	3034710	5	3

P-1 factors

Date	Factor	B1	B2
2024-01-13	603082021430275301039	2500000	4620399630

History

Date	User	Type	Result
2024-01-17	Section 31	CERT	PRP Certification Proof certified good
2024-01-15	Naegi Makoto	C-PRP	M7121021/569681681/16207771362967/97366617381647/603082021430275301039 : 3AABE673BF048C47 PRP proof power = 8 PRP: Verified Proof certified good
2024-01-13	Stef42	F-PM1	Factor: 603082021430275301039 / (P-1, B1=2500000, B2=4620399630)
2019-03-20	kkmrkkblmbrbk	C-PRP	M7121021/569681681/16207771362967/97366617381647 : 3AABE673BF048C47 PRP: Verified (Factored) PRP without proof (not generated)
2018-02-13	Daniil Tsarkov	C-PRP	M7121021/569681681/16207771362967/97366617381647 : 3AABE673BF048C47 PRP: Verified (Factored) PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 97366617381647
2008-09-08	Will Edgington	F	Factor: 16207771362967