46 840 727 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 =	10587500

Status	Date	User	Residue	Shift	Software
Verified	2009-04-20	Kyle Z Schmidt	89826A690270A5DA	2813763	Windows,Prime95,v24 final,(aka Wc1)
Verified	2019-02-14	S485122	89826A690270A5DA	1323204	Windows 64-bit,Prime95,v29.4,build 8

History

Date	User	Type	Result
2019-02-14	S485122	C-LL	89826A690270A5DA
2017-10-27	Sid & Andy	NF	no factor TF: 72-73
2015-12-02	AirSquirrels	NF	no factor TF: 71-72
2015-12-02	AirSquirrels	NF	no factor TF: 70-71
2015-05-31	el grocco	NF	no factor TF: 69-70
2014-09-05	VictordeHollander	NF	no factor TF: 68-69
2009-04-20	Kyle Z Schmidt	C-LL	89826A690270A5DA
2009-03-04	Kyle Z Schmidt	NF-PM1	B1=550000, B2=10587500
2008-04-24	ANONYMOOS	NF	no factor TF: 1-68