7 893 581 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 3 known prime factors. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
47361487	8	25.5	old
75067955311	11	36.1	2008-09-08 03:41:35
168606890161	12	37.3	2008-09-08 03:41:35

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-06	_p95holder_	B197C640016A8DBE	3	3671094	5	3
Verified	2019-11-09	ATH	B197C640016A8DBE	3	5429913	5	3

History

Date	User	Type	Result
2024-02-21	Stef42	NF-PM1	B1=2500000, B2=5082632100
2019-11-09	ATH	C-PRP	M7893581/47361487/75067955311/168606890161 : B197C640016A8DBE PRP: Verified PRP without proof (not generated)
2018-06-06	_p95holder_	C-PRP	M7893581/47361487/75067955311/168606890161 : B197C640016A8DBE PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 168606890161
2008-09-08	Will Edgington	F	Factor: 75067955311