62 952 083 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 2⁷⁴

P-1

B1 =	585000
B2 =	9945000

Status	Date	User	Residue	Shift	Software
Verified	2014-03-10	Kyle Z Schmidt	9D4D20E8AB894C93	53358509	Windows 64-bit,Prime95,v27.9,build 1
Verified	2022-03-23	ANONYMOUS	9D4D20E8AB894C93	38746149	Windows 64-bit,Prime95,v28.7,build 1

History

Date	User	Type	Result
2024-03-19	Smok_bmv	NF	no factor TF: 74-75
2022-03-23	ANONYMOUS	C-LL	9D4D20E8AB894C93
2016-02-23	Mark Rose	NF	no factor TF: 59-63
2014-03-10	Kyle Z Schmidt	C-LL	9D4D20E8AB894C93
2014-02-11	Jerry Hallett	NF	no factor TF: 73-74
2013-08-11	tsc	NF-PM1	B1=585000, B2=9945000
2012-08-03	Craig Meyers	NF	no factor TF: 69-73
2009-10-19	-anonymous-	NF	no factor TF: 68-69
2009-10-15	mountainview2	NF	no factor TF: 67-68
2009-10-09	mountainview2	NF	no factor TF: 66-67
2009-08-21	CubeQuest.org	NF	no factor TF: 65-66
2009-08-15	Skmz	NF	no factor TF: 64-65
2009-02-04	Wojciech Florek	NF	no factor TF: 63-64
2003-07-21	Gordon Spence	NF	no factor TF: 1-59