14 976 517 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 2⁷⁴

TF target 2⁶⁹

P-1

B1 =	4916000
B2 =	20899189080

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

Status	Date	User	Residue	Shift
Verified	2002-06-23	Marek Wi?niewski	71CB3A5EE975F9D9	12535813
Verified	2006-02-01	Alan Curson	71CB3A5EE975F9D9	6137290

History

Date	User	Type	Result
2023-08-28	Jason Lynch	NF-PM1	B1=4916000, B2=20899189080
2022-01-30	-Anonymous-	NF	no factor from 2^73 to 2^74
2021-12-03	-Anonymous-	NF	no factor from 2^72 to 2^73
2021-10-16	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-09-02	SRBase	NF	no factor from 2^70 to 2^71
2021-07-14	lycorn	NF	no factor from 2^69 to 2^70
2018-02-05	ramgeis	NF	no factor from 2^68 to 2^69
2018-02-05	ramgeis	NF	no factor from 2^67 to 2^68
2016-03-16	Mark Rose	NF	no factor from 2^65 to 2^66
2015-10-25	Nesowa	NF	no factor from 2^66 to 2^67