62 083 249 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 2⁷⁴

P-1

B1 =	550000
B2 =	10587500

Status	Date	User	Residue	Shift	Software
Verified	2013-10-07	Kyle Z Schmidt	F31A797B9356F2C6	43328291	Windows 64-bit,Prime95,v27.9,build 1
Verified	2022-07-25	-anonymous-	F31A797B9356F2C6	53723731	Windows 64-bit,Prime95,v29.8,build 6

History

Date	User	Type	Result
2022-07-25	-anonymous-	C-LL	F31A797B9356F2C6
2016-02-23	Mark Rose	NF	no factor TF: 61-63
2013-10-07	Kyle Z Schmidt	C-LL	F31A797B9356F2C6
2013-04-27	Brian Chan	NF-PM1	B1=550000, B2=10587500, E=6
2013-02-24	Jerry Hallett	NF	no factor TF: 73-74
2013-02-24	Jerry Hallett	NF	no factor TF: 72-73
2013-02-11	garo	NF	no factor TF: 71-72
2013-02-11	garo	NF	no factor TF: 70-71
2011-11-29	]mh[ Virtek	NF	no factor TF: 69-70
2009-08-31	ANONYMOUS	NF	no factor TF: 68-69
2009-08-20	Gnorfe	NF	no factor TF: 67-68
2009-08-17	Gnorfe	NF	no factor TF: 66-67
2009-08-11	Corran	NF	no factor TF: 65-66
2009-02-12	Sturle Sunde	NF	no factor TF: 64-65
2008-12-26	Derek	NF	no factor TF: 63-64
2004-10-18	Tha	NF	no factor TF: 1-61
2003-06-30	Gordon Spence	NF	no factor TF: 1-59