11 406 893 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 2⁷³

TF target 2⁶⁸

P-1

B1 =	1069000
B2 =	945726600

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

Status	Date	User	Residue	Shift
Verified	2000-12-21	Kent Lee	6EB9C3273F2A0B36	9313978
Verified	2004-03-01	Lawrence Cairns-Smith	6EB9C3273F2A0B36	5554086

History

Date	User	Type	Result
2024-11-17	TheJudger	NF	no factor from 2^72 to 2^73
2024-03-27	chevron	NF-PM1	B1=1069000, B2=945726600
2023-01-12	One Man	NF	no factor from 2^71 to 2^72
2021-08-15	SRBase	NF	no factor from 2^70 to 2^71
2021-08-06	SRBase	NF	no factor from 2^69 to 2^70
2020-01-17	riccardo uberti	NF-PM1	B1=430000, B2=8500000, E=12
2017-12-29	ramgeis	NF	no factor from 2^68 to 2^69
2017-12-29	ramgeis	NF	no factor from 2^67 to 2^68
2016-01-15	VictordeHollander	NF	no factor from 2^66 to 2^67
2015-02-25	Nesowa	NF	no factor from 2^65 to 2^66
2013-11-17	lycorn	NF	no factor from 2^64 to 2^65