41 236 483 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 2⁷⁵

TF target 2⁷²

P-1

B1 =	1800000
B2 =	54000000

Status	Date	User	Residue	Shift	Software
Bad	2007-12-31	Clayton Smith	0CC9BEA04B1075E1	20514216	Windows,Prime95,v24 final,(aka Wc1)
Verified	2016-08-06	endless_mike	A827ECA474280A56	9232686	Windows 64-bit,Prime95,v28.9,build 2
Verified	2016-09-21	Mark Rose	A827ECA474280A56	35003261	Linux 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2023-10-14	Aaron Haviland	NF-PM1	B1=1800000, B2=54000000, E=12
2023-10-05	Smok_bmv	NF	no factor TF: 74-75
2023-10-05	Smok_bmv	NF	no factor TF: 73-74
2022-05-08	Sid & Andy	NF	no factor TF: 72-73
2016-09-21	Mark Rose	C-LL	A827ECA474280A56
2016-08-06	endless_mike	C-LL	A827ECA474280A56
2015-07-24	1997rj7	NF	no factor TF: 71-72
2015-01-05	srow7	NF	no factor TF: 70-71
2014-12-31	chalsall	NF	no factor TF: 69-70
2013-12-06	bayanne	NF	no factor TF: 68-69
2007-12-31	argilo	C-LL	0CC9BEA04B1075E1
2007-12-03	argilo	NF-PM1	B1=670000
2007-05-12	-anonymous-	NF	no factor TF: 1-68