8 003 537 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 2 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
18549447390085511	17	54.0	old
419355675295939163681	21	68.5	2024-02-25 03:44:25

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2018-07-06	_p95holder_	EA270B3B4D61AF68	1	7224379	5	3
Verified (Factored)	2019-12-25	ATH	EA270B3B4D61AF68	1	7628985	5	3
Verified	2024-03-02	Max Dettweiler	EA270B3B4D61AF68	2	6147044	5	3

P-1 factors

Date	Factor	B1	B2
2024-02-25	419355675295939163681	1000000	1793869350

History

Date	User	Type	Result
2024-03-02	Stixxy	CERT	PRP Certification Proof certified good
2024-03-02	Max Dettweiler	C-PRP	M8003537/18549447390085511/419355675295939163681 : EA270B3B4D61AF68 PRP proof power = 8 PRP: Verified Proof certified good
2024-02-25	Stef42	F-PM1	Factor: 419355675295939163681 / (P-1, B1=1000000, B2=1793869350)
2019-12-25	ATH	C-PRP	M8003537/18549447390085511 : EA270B3B4D61AF68 PRP: Verified (Factored) PRP without proof (not generated)
2018-07-06	_p95holder_	C-PRP	M8003537/18549447390085511 : EA270B3B4D61AF68 PRP: Verified (Factored) PRP without proof (not generated)