64 702 433 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 =	580000
B2 =	11455000

Status	Date	User	Residue	Shift	Software
Verified	2014-11-07	Kyle Z Schmidt	505C3E09DA83AE46	41924856	Windows 64-bit,Prime95,v28.5,build 2
Verified	2023-07-21	Aerow	505C3E09DA83AE46	17717088	Windows 64-bit,Prime95,v30.8,build 17

History

Date	User	Type	Result
2023-07-21	Aerow	C-LL	505C3E09DA83AE46
2022-10-07	Richard Thomas	NF	no factor TF: 74-75
2016-02-23	Mark Rose	NF	no factor TF: 60-63
2014-11-07	Kyle Z Schmidt	C-LL	505C3E09DA83AE46
2013-12-04	Architects Cubed	NF-PM1	B1=580000, B2=11455000, E=12
2013-12-01	kdgehman	NF	no factor TF: 73-74
2013-11-27	James Heinrich	NF	no factor TF: 72-73
2013-11-01	bayanne	NF	no factor TF: 71-72
2012-06-11	NB	NF	no factor TF: 70-71
2012-01-12	-anonymous-	NF	no factor TF: 69-70
2009-12-29	HighFlyingPrimes	NF	no factor TF: 68-69
2009-12-25	Sturle Sunde	NF	no factor TF: 67-68
2009-12-25	-anonymous-	NF	no factor TF: 66-67
2009-12-24	-anonymous-	NF	no factor TF: 65-66
2009-12-24	Richard Cameron	NF	no factor TF: 64-65
2009-05-30	Architects Cubed	NF	no factor TF: 63-64
2004-02-07	AxelFox	NF	no factor TF: 1-60
2003-09-29	Gordon Spence	NF	no factor TF: 1-59