8 989 399 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
811326094640963771084647	24	79.4	2012-08-03 13:54:14

Status	Date	User	Residue	Shift
Verified (Factored)	1999-12-23	Kari J Maunu	B850B87FEE0FA983	4011405
Verified (Factored)	2003-06-17	Craig Etter	B850B87FEE0FA983	3676158

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2019-05-15	Daniil Tsarkov	84748F2C70FBFBC3	1	510688	5	3
Verified	2020-10-03	kutens	84748F2C70FBFBC3	1	7965400	5	3

P-1 factors

Date	Factor	B1	B2
2012-08-03	811326094640963771084647	170000	3655000

History

Date	User	Type	Result
2020-10-03	Ben Delo	CERT	PRP Certification Proof certified good
2020-10-03	kutens	C-PRP	M8989399/811326094640963771084647 : 84748F2C70FBFBC3 PRP proof power = 8 PRP: Verified Proof certified good
2019-05-15	Daniil Tsarkov	C-PRP	M8989399/811326094640963771084647 : 84748F2C70FBFBC3 PRP: Verified PRP without proof (not generated)
2012-08-03	James Heinrich	F-PM1	Factor: 811326094640963771084647