17 196 787 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 2⁷⁴

TF target 2⁶⁹

P-1

B1 =	4000000
B2 =	2001115050

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

Status	Date	User	Residue	Shift
Verified	2003-10-31	C. Cooper / S. Boone	75AA2A0054AB998F	14210693
Verified	2006-05-29	Ars Technica Team Prime Rib	75AA2A0054AB998F	6419078

History

Date	User	Type	Result
2022-11-07	alpertron	NF-PM1	B1=4000000, B2=2001115050
2022-08-22	alpertron	NF-PM1	B1=1000000, B2=501393750
2022-01-11	TheJudger	NF	no factor from 2^73 to 2^74
2022-01-11	-Anonymous-	NF	no factor from 2^73 to 2^74
2021-11-30	-Anonymous-	NF	no factor from 2^72 to 2^73
2021-09-19	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-09-10	SRBase	NF	no factor from 2^70 to 2^71
2020-03-21	lycorn	NF	no factor from 2^69 to 2^70
2017-12-17	ramgeis	NF	no factor from 2^68 to 2^69
2017-12-17	ramgeis	NF	no factor from 2^67 to 2^68
2016-03-16	Mark Rose	NF	no factor from 2^65 to 2^66
2014-09-09	Nesowa	NF	no factor from 2^66 to 2^67