10 477 723 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 =	2000000
B2 =	2829495900

ECM

Digits	B1	Curves
25	50000	2 / 280

Estimated T-Level: 20.0 ⓘ

Status	Date	User	Residue	Shift
Verified	2000-08-10	Steve Kelem	581419A745AD077D	8740649
Verified	2003-12-13	Rick Gutleber	581419A745AD077D	8776161

History

Date	User	Type	Result
2025-03-21	Naegi Makoto	NF	no factor from 2^72 to 2^73
2024-04-28	Sid & Andy	NF-PM1	B1=2000000, B2=2829495900
2021-10-26	SRBase	NF	no factor from 2^71 to 2^72
2020-12-03	Dylan Delgado	NF-PM1	B1=500000, B2=15000000, e=12
2020-11-28	Dylan Delgado	NF	no factor from 2^70 to 2^71
2020-08-13	ViliamF	NF	no factor from 2^69 to 2^70
2017-11-15	ramgeis	NF	no factor from 2^68 to 2^69
2017-09-25	-Anonymous-	NF	no factor from 2^67 to 2^68
2015-12-11	VictordeHollander	NF	no factor from 2^66 to 2^67
2015-05-04	Tha	NF	no factor from 2^65 to 2^66
2013-12-20	lycorn	NF	no factor from 2^64 to 2^65
2012-12-06	Nesowa	NF-PM1	B1=145000, B2=2875000, E=6