7 897 697 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
55031152697	11	35.7	old
342063422679451687	18	58.2	2015-08-20 11:37:20
247208003937686949302807	24	77.7	2024-02-02 18:08:16

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-06-21	_p95holder_	E4A0743089B5A552	2	7893706	5	3
Verified (Factored)	2018-06-27	francijezek	E4A0743089B5A552	2	5183845	5	3
Verified	2024-02-08	Perig	E4A0743089B5A552	3	7338525	5	3

P-1 factors

Date	Factor	B1	B2
2024-02-02	247208003937686949302807	950000	1968826860

History

Date	User	Type	Result
2024-02-08	Chalkey300	CERT	PRP Certification Proof certified good
2024-02-08	Perig	C-PRP	M7897697/55031152697/342063422679451687/247208003937686949302807 : E4A0743089B5A552 PRP proof power = 8 PRP: Verified Proof certified good
2024-02-02	Stef42	F-PM1	Factor: 247208003937686949302807 / (P-1, B1=950000, B2=1968826860)
2018-06-27	francijezek	C-PRP	M7897697/55031152697/342063422679451687 : E4A0743089B5A552 PRP: Verified (Factored) PRP without proof (not generated)
2018-06-21	_p95holder_	C-PRP	M7897697/55031152697/342063422679451687 : E4A0743089B5A552 PRP: Verified (Factored) PRP without proof (not generated)
2015-08-20	TJAOI	F	Factor: 342063422679451687 / TF: 58-59