10 700 783 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 2⁷⁴

TF target 2⁶⁸

P-1

B1 =	1000000
B2 =	920407950

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

Status	Date	User	Residue	Shift
Verified	2000-12-07	Alan Vidmar	824BBCAE77EE4738	9165174
Verified	2004-10-18	Daniel Swanson	824BBCAE77EE4738	10373557

History

Date	User	Type	Result
2022-03-06	-Anonymous-	NF	no factor from 2^73 to 2^74
2022-03-04	-Anonymous-	NF	no factor from 2^72 to 2^73
2022-02-14	megavink	NF-PM1	B1=1000000, B2=920407950
2021-10-27	SRBase	NF	no factor from 2^71 to 2^72
2021-08-31	SRBase	NF	no factor from 2^70 to 2^71
2020-08-28	ViliamF	NF	no factor from 2^69 to 2^70
2017-12-18	ramgeis	NF	no factor from 2^68 to 2^69
2017-12-18	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
2013-12-11	lycorn	NF	no factor from 2^64 to 2^65
2013-03-12	Nesowa	NF-PM1	B1=155000, B2=3000000, E=6