46 851 641 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 =	535000
B2 =	9228750

Status	Date	User	Residue	Shift	Software
Verified	2010-08-21	raptorboy	EC700B2201D40AB9	6300088	Windows,Prime95,v25.9,build 4
Verified	2019-03-21	chuenkit	EC700B2201D40AB9	6658288	Windows 64-bit,Prime95,v29.5,build 5

History

Date	User	Type	Result
2019-03-21	chuenkit	C-LL	EC700B2201D40AB9
2017-10-27	AK76	NF	no factor TF: 72-73
2015-12-04	AirSquirrels	NF	no factor TF: 71-72
2015-12-04	AirSquirrels	NF	no factor TF: 70-71
2015-09-01	Mark Rose	NF	no factor TF: 69-70
2011-04-17	kdgehman	NF	no factor TF: 68-69
2010-08-21	raptorboy	C-LL	EC700B2201D40AB9
2010-04-21	raptorboy	NF-PM1	B1=535000, B2=9228750
2008-03-03	csaba	NF	no factor TF: 1-68