8 049 263 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
11877041005643080199	20	63.4	2013-08-25 01:12:16

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)	1999-09-30	Jason Stelly	9A3D090D4FAF1503	3641521
Verified (Factored)	2002-08-10	BODA Karoly	9A3D090D4FAF1503	7272639

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-20	_p95holder_	A6DAE92413FA2D5B	1	7546448	5	3
Verified	2020-01-10	oodaira	A6DAE92413FA2D5B	1	7609151	5	3

History

Date	User	Type	Result
2020-01-10	oodaira	C-PRP	M8049263/11877041005643080199 : A6DAE92413FA2D5B PRP: Verified PRP without proof (not generated)
2018-07-20	_p95holder_	C-PRP	M8049263/11877041005643080199 : A6DAE92413FA2D5B PRP: Verified PRP without proof (not generated)
2013-08-25	David Campeau	F	Factor: 11877041005643080199 / TF: 63-64
2012-09-22	Nesowa	NF-PM1	B1=100000, B2=1950000, E=6