10 706 911 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 =	2200000
B2 =	1683437580

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

Status	Date	User	Residue	Shift
Verified	2000-09-23	glenn hanna	147558C4156853FA	7563744
Verified	2003-11-17	Ars Technica Team Prime Rib	147558C4156853FA	2484862

History

Date	User	Type	Result
2024-03-22	Sid & Andy	NF-PM1	B1=2200000, B2=1683437580
2022-03-04	-Anonymous-	NF	no factor from 2^72 to 2^73
2021-10-26	SRBase	NF	no factor from 2^71 to 2^72
2021-08-13	SRBase	NF	no factor from 2^70 to 2^71
2020-08-29	ViliamF	NF	no factor from 2^69 to 2^70
2020-05-09	Tha	NF-PM1	B1=1500000, B2=30000000, E=12
2017-12-19	ramgeis	NF	no factor from 2^68 to 2^69
2017-12-19	ramgeis	NF	no factor from 2^67 to 2^68
2015-11-23	VictordeHollander	NF	no factor from 2^66 to 2^67
2015-05-12	Tha	NF	no factor from 2^65 to 2^66
2013-12-12	lycorn	NF	no factor from 2^64 to 2^65