45 242 723 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 =	525000
B2 =	10106250

Status	Date	User	Residue	Shift	Software
Verified	2009-10-09	Kyle Z Schmidt	4A5CC660776BCF37	36483663	Windows,Prime95,v24 final,(aka Wc1)
Verified	2018-09-07	charger	4A5CC660776BCF37	5519718	Windows 64-bit,Prime95,v28.10,build 1

History

Date	User	Type	Result
2019-05-11	Sid & Andy	NF	no factor TF: 73-74
2018-09-07	charger	C-LL	4A5CC660776BCF37
2017-11-05	TheJudger	NF	no factor TF: 72-73
2014-08-10	Gordon Spence	NF	no factor TF: 71-72
2014-08-10	Gordon Spence	NF	no factor TF: 70-71
2014-08-10	Gordon Spence	NF	no factor TF: 69-70
2014-08-10	Gordon Spence	NF	no factor TF: 68-69
2009-10-09	Kyle Z Schmidt	C-LL	4A5CC660776BCF37
2009-08-25	Kyle Z Schmidt	NF-PM1	B1=525000, B2=10106250
2007-12-03	korva	NF	no factor TF: 1-68
2007-05-12	1997rj7	NF	no factor TF: 1-63