10 100 639 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
80805113	8	26.3	old
9535003217	10	33.2	2008-09-08 06:24:48
4195421616319	13	41.9	2008-09-08 06:24:48

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2020-01-10	mrh	D38FA0893675A43D	3	8077936	5	3
Verified	2021-01-29	XZT	D38FA0893675A43D	3	8337808	5	3

History

Date	User	Type	Result
2022-03-07	ViliamF	NF	no factor from 2^67 to 2^68
2021-01-29	Ben Delo	CERT	PRP Certification Proof certified good
2021-01-29	XZT	C-PRP	M10100639/80805113/9535003217/4195421616319 : D38FA0893675A43D PRP proof power = 8 PRP: Verified Proof certified good
2020-01-10	mrh	C-PRP	M10100639/80805113/9535003217/4195421616319 : D38FA0893675A43D PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 4195421616319
2008-09-08	Will Edgington	F	Factor: 9535003217