44 259 209 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 2⁷³

TF target 2⁷²

Factored

Factor	Digits	Bits	Date
112537769229319677915095057	27	86.5	2018-05-03 03:47:28

P-1 factors

Date	Factors	B1	B2
2018-05-03	112537769229319677915095057	815000	18337500

Status	Date	User	Residue	Shift	Software
Bad	2010-09-08	mitchsherwin	B44820E0AB532F64	40967848	Windows,Prime95,v25.9,build 4
Factored	2015-08-30	George Woltman	727BA4290DCEF458	4542372	Mac OS X 64-bit,Prime95,v28.7,build 1
Factored	2016-09-13	Mark Rose	727BA4290DCEF458	39222681	Linux 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2018-05-03	Architects Cubed	F-PM1	Factor: 112537769229319677915095057 / B1=815000, B2=18337500
2018-03-20	ktony	NF	no factor TF: 72-73
2016-09-13	Mark Rose	C-LL	727BA4290DCEF458
2015-08-30	George Woltman	C-LL	727BA4290DCEF458
2015-08-07	Sid & Andy	NF	no factor TF: 71-72
2015-07-24	Mark Rose	NF	no factor TF: 70-71
2010-09-08	mitchsherwin	C-LL	B44820E0AB532F64
2010-02-13	mitchsherwin	NF-PM1	B1=595000
2007-10-17	iPrime	NF	no factor TF: 1-70