7 978 871 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
207450647	9	27.6	old
130741780207	12	36.9	2008-09-08 03:43:23
2462614703183	13	41.2	2008-09-08 03:43:23

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-06-26	_p95holder_	665E3989A348BB35	3	574769	5	3
Verified	2019-12-21	Chang Chia-Tche	665E3989A348BB35	3	7861349	5	3

History

Date	User	Type	Result
2024-02-23	Stef42	NF-PM1	B1=2500000, B2=5157379500
2019-12-21	Chang Chia-Tche	C-PRP	M7978871/207450647/130741780207/2462614703183 : 665E3989A348BB35 PRP: Verified PRP without proof (not generated)
2018-06-26	_p95holder_	C-PRP	M7978871/207450647/130741780207/2462614703183 : 665E3989A348BB35 PRP: Verified PRP without proof (not generated)
2008-09-08	Will Edgington	F	Factor: 2462614703183
2008-09-08	Will Edgington	F	Factor: 130741780207