49 789 249 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
7560706750289920679321	22	72.7	2017-09-13 14:49:38

Status	Date	User	Residue	Shift	Software
Bad	2010-09-03	reskin	45C59FEE8A5A4FC4	22583092	Windows 64-bit,Prime95,v25.11,build 2
Factored	2015-10-06	MadPoo 🙂	58265C82E8CFFF56	18864400	Windows 64-bit,Prime95,v26,(aka We4)
Factored	2016-09-12	endless_mike	58265C82E8CFFF56	45868702	Linux 64-bit,Prime95,v28.9,build 2

History

Date	User	Type	Result
2025-05-21	NStorm	F	Factor: 7560706750289920679321 / TF: 72-73
2024-08-18	Jarod McClintock	NF	no factor TF: 69-70
2017-09-13	Matthias Wurtinger	F	Factor: 7560706750289920679321 / TF: 72-73*
2016-09-12	endless_mike	C-LL	58265C82E8CFFF56
2015-10-25	Architects Cubed	NF	no factor TF: 71-72
2015-10-06	MadPoo 🙂	C-LL	58265C82E8CFFF56
2015-06-14	Mark Rose	NF	no factor TF: 70-71
2015-06-13	Architects Cubed	NF	no factor TF: 69-70
2010-09-03	reskin	C-LL	45C59FEE8A5A4FC4
2010-07-13	reskin	NF-PM1	B1=565000, B2=12288750
2008-09-06	msslab	NF	no factor TF: 1-69