10 554 833 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 =	5798000
B2 =	58117637760

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

Status	Date	User	Residue	Shift
Verified	2000-08-31	Derrick M. Forchetti	7E5C6920A97884CE	410905
Bad	2004-03-26	Ny Haingo Andrianarisoa	B5881DEE7A5AE01E	68795
Verified	2004-10-03	Shane Sanford	7E5C6920A97884CE	8664191

History

Date	User	Type	Result
2024-08-10	Jason Lynch	NF-PM1	B1=5798000, B2=58117637760
2022-02-06	Zhang Ruichong	NF-PM1	B1=565000, B2=259712310
2021-12-29	-Anonymous-	NF	no factor from 2^72 to 2^73
2021-10-26	SRBase	NF	no factor from 2^71 to 2^72
2021-08-18	SRBase	NF	no factor from 2^70 to 2^71
2020-08-20	ViliamF	NF	no factor from 2^69 to 2^70
2017-12-12	ramgeis	NF	no factor from 2^68 to 2^69
2017-12-12	ramgeis	NF	no factor from 2^67 to 2^68
2015-11-14	VictordeHollander	NF	no factor from 2^66 to 2^67
2015-05-07	Tha	NF	no factor from 2^65 to 2^66
2013-12-18	lycorn	NF	no factor from 2^64 to 2^65
2013-07-26	Nesowa	NF-PM1	B1=130000, B2=2600000, E=6