48 805 763 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 2⁷³

Factored

Factor	Digits	Bits	Date
4960745963297347816519	22	72.1	2017-09-10 15:09:56

Status	Date	User	Residue	Shift	Software
Bad	2010-01-09	seekua	28ABD9B4D026EC84	29226995	Windows 64-bit,Prime95,v25.9,build 4
Factored	2015-10-11	MadPoo 🙂	8104992F4557D7B4	22187147	Windows 64-bit,Prime95,v26,(aka We4)
Factored	2016-08-27	AirSquirrels	8104992F4557D7B4	0	clLucas v1.04

History

Date	User	Type	Result
2025-06-09	Greg	F	Factor: 4960745963297347816519 / TF: 72-73
2017-09-10	linament	F	Factor: 4960745963297347816519 / TF: 72-73*
2016-08-27	AirSquirrels	C-LL	8104992F4557D7B4
2015-10-11	MadPoo 🙂	C-LL	8104992F4557D7B4
2015-09-09	LaurV	NF	no factor TF: 71-72
2015-09-04	Architects Cubed	NF	no factor TF: 70-71
2015-09-01	LaurV	NF	no factor TF: 69-70
2010-01-09	seekua	C-LL	28ABD9B4D026EC84
2009-12-04	seekua	NF-PM1	B1=555000, B2=12487500
2008-07-04	ITS	NF	no factor TF: 1-69
2003-06-06	Thomas Mullen	NF	no factor TF: 1-59