7 978 877 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
303197327	9	28.2	old
20755953256368474661687	23	74.1	2024-02-14 03:05:44

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-06-26	_p95holder_	69FEB58DBD7A03F0	1	1191670	5	3
Verified (Factored)	2019-12-25	Nesowa	69FEB58DBD7A03F0	1	2284726	5	3
Verified	2024-02-22	Perig	69FEB58DBD7A03F0	2	4652538	5	3

P-1 factors

Date	Factor	B1	B2
2024-02-14	20755953256368474661687	859000	859000

History

Date	User	Type	Result
2024-02-23	Jonathan Webb	CERT	PRP Certification Proof certified good
2024-02-22	Perig	C-PRP	M7978877/303197327/20755953256368474661687 : 69FEB58DBD7A03F0 PRP proof power = 8 PRP: Verified Proof certified good
2024-02-14	Stef42	F-PM1	Factor: 20755953256368474661687 / (P-1, B1=859000)
2019-12-25	Nesowa	C-PRP	M7978877/303197327 : 69FEB58DBD7A03F0 PRP: Verified (Factored) PRP without proof (not generated)
2018-06-26	_p95holder_	C-PRP	M7978877/303197327 : 69FEB58DBD7A03F0 PRP: Verified (Factored) PRP without proof (not generated)