46 854 127 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 2⁷³

TF target 2⁷²

P-1

B1 =	550000
B2 =	11550000

Status	Date	User	Residue	Shift	Software
Verified	2011-11-01	Dubslow	849776E0231E8098	35049176	Windows 64-bit,Prime95,v26.6,build 3
Verified	2017-11-26	Carsten Kossendey	849776E0231E8098	8380588	Windows 64-bit,Prime95,v29.3,build 1

History

Date	User	Type	Result
2017-11-26	Carsten Kossendey	C-LL	849776E0231E8098
2017-10-23	RichD0	NF	no factor TF: 72-73
2015-12-04	-anonymous-	NF	no factor TF: 71-72
2015-09-21	Mark Rose	NF	no factor TF: 70-71
2011-11-01	Dubslow	C-LL	849776E0231E8098
2011-10-09	Dubslow	NF	no factor TF: 69-70
2011-04-19	kdgehman	NF	no factor TF: 68-69
2011-02-23	Dan Scherer	NF-PM1	B1=550000, B2=11550000
2008-03-03	Trace McVera	NF	no factor TF: 1-68