100 002 737 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 2⁷⁸

TF target 2⁷⁶

P-1

B1 =	1100000
B2 =	31900000

Status	Date	User	Residue	Shift
Verified	2017-12-15	Christian Keßler	2ECE4D906270B883	50588272
Verified	2021-04-03	Dobri	2ECE4D906270B883	29564687

History

Date	User	Type	Result
2022-03-19	LordJulius	NF	no factor from 2^1 to 2^66
2022-03-18	Lisander Viaene	NF	no factor from 2^1 to 2^66
2021-04-03	Dobri	C-LL	2ECE4D906270B883
2017-12-15	Christian Keßler	C-LL	2ECE4D906270B883
2017-11-19	ATH	NF	no factor from 2^77 to 2^78
2017-11-19	ATH	NF	no factor from 2^76 to 2^77
2017-11-19	ATH	NF	no factor from 2^75 to 2^76
2017-06-12	Gordon Bower	NF	no factor from 2^74 to 2^75
2017-06-12	Gordon Bower	NF	no factor from 2^73 to 2^74
2017-06-12	Gordon Bower	NF	no factor from 2^72 to 2^73
2012-12-16	Davin	NF	no factor from 2^71 to 2^72
2012-09-17	Norman Ley	NF-PM1	B1=1100000, B2=31900000, E=6
2010-12-27	Craig Meyers	NF	no factor from 2^70 to 2^71
2010-12-23	Craig Meyers	NF	no factor from 2^69 to 2^70
2010-12-21	Craig Meyers	NF	no factor from 2^68 to 2^69
2010-08-30	Greg	NF	no factor from 2^67 to 2^68
2010-08-30	Greg	NF	no factor from 2^66 to 2^67