33 725 633 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 2⁷⁴

TF target 2⁷¹

P-1

B1 =	400000
B2 =	9000000

Status	Date	User	Residue	Shift	Software
Verified	2004-05-11	Alexandr Fomin	F344033BAC88827A	14411404	Windows,Prime95,v23,NT service,(aka WZ5)
Verified	2015-01-06	Dubslow	F344033BAC88827A	22561645	Linux 64-bit,Prime95,v28.5,build 2

History

Date	User	Type	Result
2024-05-24	Jarod McClintock	NF	no factor TF: 68-69
2020-04-20	-anonymous-	NF	no factor TF: 73-74
2019-11-15	-anonymous-	NF	no factor TF: 71-72
2019-11-15	-anonymous-	NF	no factor TF: 72-73
2015-01-06	Dubslow	C-LL	F344033BAC88827A
2013-02-10	apsen	NF	no factor TF: 70-71
2013-01-24	apsen	NF	no factor TF: 69-70
2013-01-08	Carsten Kossendey	NF	no factor TF: 68-69
2004-05-11	-anonymous-	C-LL	F344033BAC88827A
2004-04-09	-anonymous-	NF	no factor TF: 1-68
2004-04-09	-anonymous-	NF-PM1	B1=400000, B2=9000000