1 146 281 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
162936948175588716079	21	67.1	2011-02-15 11:10:06

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	106 / 640

Estimated T-Level: 25.8 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		David Slowinski	18DE	0
Verified (Factored)		Kenneth Forward	2E4C494D510938DE	0
Verified (Factored)	2002-07-06	S57483	2E4C494D510938DE	942303

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-29	Oliver Kruse	D68F1D72C6D3034E	1	0	1	3
Verified	2017-10-17	Oliver Kruse	D68F1D72C6D3034E	1	565889	1	3
Verified	2018-01-06	ATH	D68F1D72C6D3034E	1	32166	1	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^60
2018-01-06	ATH	C-PRP	M1146281/162936948175588716079 : D68F1D72C6D3034E PRP: Verified PRP without proof (not generated)
2017-10-17	Oliver Kruse	C-PRP	M1146281/162936948175588716079 : D68F1D72C6D3034E PRP: Verified PRP without proof (not generated)
2017-09-29	Oliver Kruse	C-PRP	M1146281/162936948175588716079 : D68F1D72C6D3034E PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=300000, B2=10000000, E=12
2011-02-15	greensinoz	F-ECM	Factor: 162936948175588716079
2009-03-25	Sturle Sunde	NF	no factor from 2^60 to 2^61