11 657 011 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Composite: proven not-prime with Lucas-Lehmer test

TF

No factors below 2⁷⁵

TF target 2⁶⁸

P-1

B1 =	14035042
B2 =	121261590450

ECM

Digits	B1	Curves
25	50000	29 / 280

Estimated T-Level: 20.5 ⓘ

Status	Date	User	Residue	Shift
Verified	2001-01-28	Willamette Mathematics	D106D4C692404969	2559449
Verified	2005-02-18	Kerry Tyler	D106D4C692404969	7111066

History

Date	User	Type	Result
2025-02-24	yuriy_5-1	NF	no factor from 2^74 to 2^75
2024-12-19	yuriy_5-1	NF	no factor from 2^73 to 2^74
2024-08-19	yuriy_5-1	NF-PM1	B1=14035042, B2=121261590450
2024-04-22	yuriy_5-1	NF	no factor from 2^72 to 2^73
2022-11-21	Naegi Makoto	NF	no factor from 2^71 to 2^72
2021-08-20	LaurV	NF-PM1	B1=6189107, B2=185673210
2021-08-14	SRBase	NF	no factor from 2^70 to 2^71
2021-08-06	SRBase	NF	no factor from 2^69 to 2^70
2019-12-22	riccardo uberti	NF-PM1	B1=430000, B2=8500000, E=12
2018-01-05	ramgeis	NF	no factor from 2^68 to 2^69
2018-01-05	ramgeis	NF	no factor from 2^67 to 2^68
2016-01-30	VictordeHollander	NF	no factor from 2^66 to 2^67
2014-12-20	Nesowa	NF	no factor from 2^65 to 2^66
2013-11-03	lycorn	NF	no factor from 2^64 to 2^65