23 041 969 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite: proven not-prime with Lucas-Lehmer test

No factors below 2⁷³

TF target 2⁶⁹

P-1

B1 =	350000
B2 =	7262500

Status	Date	User	Residue	Shift	Software
Verified	2005-01-20	Kyle Schmidt	4E6AB183C0F7D9C9	7661837	Windows,Prime95,v23,(aka WZ1)
Verified	2009-03-31	mkroska	4E6AB183C0F7D9C9	5387377	Windows,Prime95,v24 final,(aka Wc1)

History

Date	User	Type	Result
2023-02-06	Sid & Andy	NF	no factor TF: 72-73
2021-04-29	yoyorocks1	NF	no factor TF: 71-72
2020-09-17	Dylan Delgado	NF-PM1	B1=350000, B2=7262500
2019-09-27	-anonymous-	NF	no factor TF: 70-71
2017-09-01	ramgeis	NF	no factor TF: 69-70
2017-09-01	ramgeis	NF	no factor TF: 68-69
2016-04-13	VictordeHollander	NF	no factor TF: 67-68
2009-03-31	mkroska	C-LL	4E6AB183C0F7D9C9
2005-01-20	-anonymous-	C-LL	4E6AB183C0F7D9C9
2004-02-07	Amperio	NF-PM1	B1=330000
2003-06-30	Team Prime Rib	NF	no factor TF: 1-67