7 759 229 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite, with 1 known prime factor. Cofactor is composite.

Factored

Factor	Digits	Bits	Date
10163381858243147593	20	63.1	2013-10-08 13:10:43

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)	1999-06-26	Thomas Honold	5D8A71EA4BA2988C	3831659
Verified (Factored)	2002-05-25	Mark Huffstutter	5D8A71EA4BA2988C	3948599

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-05-10	_p95holder_	F9AD9BEE315E4AD3	1	479160	5	3
Verified	2019-09-23	marssystems	F9AD9BEE315E4AD3	1	6614275	5	3

History

Date	User	Type	Result
2025-05-08	Stef42	NF-PM1	B1=1050000, B2=1270651200
2019-09-23	marssystems	C-PRP	M7759229/10163381858243147593 : F9AD9BEE315E4AD3 PRP: Verified PRP without proof (not generated)
2018-05-10	_p95holder_	C-PRP	M7759229/10163381858243147593 : F9AD9BEE315E4AD3 PRP: Verified PRP without proof (not generated)
2013-10-08	Nesowa	F	Factor: 10163381858243147593 / TF: 63-64*
2012-08-22	Nesowa	NF-PM1	B1=95000, B2=1781250, E=6