53 043 031 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite: 1 known prime factor

Trial Factored to 2⁶⁸

TF target 2⁷³

Factored

Factor	Digits	Bits	Date
93665299869489972121	20	66.3	2010-04-19 00:56:10

History

Date	User	Type	Result
2010-04-19	unconnected	F	Factor: 93665299869489972121
2009-06-30	Bob-A	NF	no factor TF: 67-68
2008-12-26	BranMuffin	NF	no factor TF: 66-67
2008-12-24	BranMuffin	NF	no factor TF: 65-66
2008-12-17	hacksaw116	NF	no factor TF: 64-65
2008-10-19	-anonymous-	NF	no factor TF: 1-64
2004-04-09	1997rj7	NF	no factor TF: 1-60
2002-06-09	-anonymous-	NF	no factor TF: 1-58
2001-07-17	-anonymous-	NF	no factor TF: 1-57
2000-05-17	-anonymous-	NF	no factor TF: 1-56
2000-03-01	-anonymous-	NF	no factor TF: 1-54
2000-01-12	-anonymous-	NF	no factor TF: 1-53
1999-12-01	-anonymous-	NF	no factor TF: 1-53