73 447 019 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 2⁷²

TF target 2⁷⁴

Factored

Factor	Digits	Bits	Date
91937112001062099839	20	66.3	2015-01-25 22:16:08

History

Date	User	Type	Result
2015-01-25	tigreroars	F	Factor: 91937112001062099839 / TF: 66-67
2015-01-09	RichD0	NF	no factor TF: 71-72
2014-08-05	Mark Rose	NF	no factor TF: 70-71
2012-10-09	GrunwalderGIMP	NF	no factor TF: 69-70
2010-06-14	dulix9	NF	no factor TF: 68-69
2010-06-12	forrest-lumpkin	NF	no factor TF: 67-68
2010-06-10	sannerud.com	NF	no factor TF: 66-67
2010-06-10	Markus Tervooren	NF	no factor TF: 65-66
2010-06-09	ANONYMOUS	NF	no factor TF: 64-65
2008-06-28	George Woltman	NF	no factor TF: 1-64
2002-05-05	Joss	NF	no factor TF: 1-57