3 959 869 Exponent Status

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

PrimeNet Exponent Status

M_n

Status

Details

Factored

Factor	Digits	Bits	Date
16447346627939820097	20	63.8	2009-10-22 00:34:55

ECM

Digits	B1	Curves
25	50000	3 / 280

Estimated T-Level: 20.1 ⓘ

TF below 2^62 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Gary Hanson	39FC6948520F484C	0
Verified (Factored)	2000-01-12	Joshua Edmison	39FC6948520F484C	3032226

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	EAAB03889397AF91	1	0	1	3
Verified	2018-01-01	Oliver Kruse	EAAB03889397AF91	1	2570567	1	3

History

Date	User	Type	Result
2022-09-20	Joss	NF-PM1	B1=1000000, B2=119480130
2022-06-09	Joss	NF-PM1	B1=100000, B2=207712890
2022-05-26	Joss	NF-PM1	B1=100000, B2=119480130
2022-03-22	Joss	NF-PM1	B1=100000
2022-03-04	Joss	NF-PM1	B1=90000
2018-01-01	Oliver Kruse	C-PRP	M3959869/16447346627939820097 : EAAB03889397AF91 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M3959869/16447346627939820097 : EAAB03889397AF91 PRP: Verified PRP without proof (not generated)
2009-10-22	willreid	F-ECM	Factor: 16447346627939820097
2009-07-24	Carsten Kossendey	NF-PM1	B1=20000, B2=285000
2008-12-25	Architects Cubed	NF	no factor from 2^60 to 2^61