7 897 147 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
1308036046199	13	40.3	old
268451062002102857	18	57.9	2015-07-25 14:37:35

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-05	_p95holder_	65D7989C1ECBA5D6	2	6595917	5	3
Verified	2019-11-12	Numberwang	65D7989C1ECBA5D6	2	7631381	5	3

History

Date	User	Type	Result
2024-02-02	Stef42	NF-PM1	B1=950000, B2=1968826860
2019-11-12	Numberwang	C-PRP	M7897147/1308036046199/268451062002102857 : 65D7989C1ECBA5D6 PRP: Verified PRP without proof (not generated)
2018-06-05	_p95holder_	C-PRP	M7897147/1308036046199/268451062002102857 : 65D7989C1ECBA5D6 PRP: Verified PRP without proof (not generated)
2015-07-25	TJAOI	F	Factor: 268451062002102857 / TF: 57-58