9 214 787 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Status

Details

TF

No factors below 2⁷²

TF target 2⁶⁸

P-1

B1 =	2500000
B2 =	3681366150

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

Status	Date	User	Residue	Shift
Verified	2000-07-25	C. Cooper / S. Boone	7820F364ACF01389	7100789
Verified	2003-06-23	David Coster	7820F364ACF01389	6477445

History

Date	User	Type	Result
2023-12-07	Sid & Andy	NF-PM1	B1=2500000, B2=3681366150
2021-10-17	SRBase	NF	no factor from 2^71 to 2^72
2021-08-28	SRBase	NF	no factor from 2^70 to 2^71
2021-08-20	SRBase	NF	no factor from 2^69 to 2^70
2021-07-18	Tha	NF-PM1	B1=2000000, B2=162000000
2019-10-11	mnd9	NF	no factor from 2^68 to 2^69
2017-03-08	snme2pm1	NF	no factor from 2^67 to 2^68
2016-04-25	snme2pm1	NF	no factor from 2^66 to 2^67
2015-05-08	VictordeHollander	NF	no factor from 2^65 to 2^66
2013-09-08	Nesowa	NF	no factor from 2^64 to 2^65
2012-09-26	Nesowa	NF-PM1	B1=110000, B2=2035000, E=6