41 324 513 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 2⁷²

P-1

B1 =	450000
B2 =	5850000

Status	Date	User	Residue	Shift	Software
Verified	2010-05-15	Reed_Young	C6A19C80DEAE331E	33099921	Linux 64-bit,Prime95,v25.9,build 4
Verified	2015-10-15	Gilberto Diaz	C6A19C80DEAE331E	31025391	Windows,Prime95,v28.7,build 1

History

Date	User	Type	Result
2024-06-14	James Heinrich	NF	no factor TF: 68-69
2020-01-04	-anonymous-	NF	no factor TF: 73-74
2019-10-04	-anonymous-	NF	no factor TF: 72-73
2015-10-15	Gilberto Diaz	C-LL	C6A19C80DEAE331E
2015-08-18	AirSquirrels	NF	no factor TF: 71-72
2015-01-08	srow7	NF	no factor TF: 70-71
2014-12-31	chalsall	NF	no factor TF: 69-70
2013-12-03	Carsten Kossendey	NF	no factor TF: 68-69
2010-05-15	Reed_Young	C-LL	C6A19C80DEAE331E
2009-03-17	KahnTX	NF-PM1	B1=450000, B2=5850000
2007-04-23	Team Prime Rib	NF	no factor TF: 1-68