11 624 293 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 =	12582912
B2 =	109573764300

ECM

Digits	B1	Curves
25	50000	110 / 280

Estimated T-Level: 22.0 ⓘ

Status	Date	User	Residue	Shift
Verified	2001-04-15	Mark Fingerle	8483C38534E2C57C	7476352
Verified	2001-06-03	Phillip Twiss	8483C38534E2C57C	10643152

History

Date	User	Type	Result
2025-02-10	yuriy_5-1	NF	no factor from 2^74 to 2^75
2024-12-02	yuriy_5-1	NF	no factor from 2^73 to 2^74
2024-08-16	vsh	NF	no factor from 2^72 to 2^73
2024-04-29	yuriy_5-1	NF-PM1	B1=12582912, B2=109573764300
2022-12-22	Naegi Makoto	NF	no factor from 2^71 to 2^72
2021-08-15	SRBase	NF	no factor from 2^70 to 2^71
2021-08-07	SRBase	NF	no factor from 2^69 to 2^70
2019-11-17	riccardo uberti	NF-PM1	B1=430000, B2=8500000, E=12
2018-01-01	ramgeis	NF	no factor from 2^68 to 2^69
2018-01-01	ramgeis	NF	no factor from 2^67 to 2^68
2016-01-15	VictordeHollander	NF	no factor from 2^66 to 2^67
2014-12-20	Nesowa	NF	no factor from 2^65 to 2^66
2013-11-04	lycorn	NF	no factor from 2^64 to 2^65