16 012 643 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 =	1000000
B2 =	2534351820

ECM

Digits	B1	Curves
25	50000	1 / 280

Estimated T-Level: 20.0 ⓘ

Status	Date	User	Residue	Shift
Bad	2002-10-12	Michal Marzec	C6A2C7906D638633	11595521
Verified	2003-07-30	James Punshon	D0FD8FA9EA5C0355	15105144
Verified	2006-08-14	Ars Technica Team Prime Rib	D0FD8FA9EA5C0355	5194842

History

Date	User	Type	Result
2024-02-28	Naegi Makoto	NF-PM1	B1=1000000, B2=2534351820
2022-02-11	-Anonymous-	NF	no factor from 2^73 to 2^74
2022-02-11	-Anonymous-	NF	no factor from 2^72 to 2^73
2021-09-12	-Anonymous-	NF	no factor from 2^71 to 2^72
2021-09-08	SRBase	NF	no factor from 2^70 to 2^71
2021-05-04	lycorn	NF	no factor from 2^69 to 2^70
2017-09-24	ramgeis	NF	no factor from 2^68 to 2^69
2016-03-16	Mark Rose	NF	no factor from 2^65 to 2^66
2016-03-16	Mark Rose	NF	no factor from 2^64 to 2^65
2016-02-23	Mark Rose	NF	no factor from 2^1 to 2^64
2015-10-17	mikr	NF	no factor from 2^67 to 2^68
2013-10-28	Nesowa	NF	no factor from 2^66 to 2^67