2 457 383 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
31376792338690644913	20	64.8	2010-03-15 13:11:47

ECM

Digits	B1	Curves
25	50000	60 / 280

Estimated T-Level: 21.1 ⓘ

TF below 2^65 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Philip M. Jepsen	B9FB618DEB45DE7A	0
Verified (Factored)		Simon Burge	B9FB618DEB45DE7A	0
Verified (Factored)	1998-03-23	Chuck Hines	B9FB618DEB45DE7A	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-13	Oliver Kruse	DF08069D6E7F5014	1	498497	5	3
Verified	2017-11-28	kkmrkkblmbrbk	DF08069D6E7F5014	1	1625779	5	3

History

Date	User	Type	Result
2022-03-10	LordJulius	NF	no factor from 2^1 to 2^60
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-28	kkmrkkblmbrbk	C-PRP	M2457383/31376792338690644913 : DF08069D6E7F5014 PRP: Verified PRP without proof (not generated)
2017-10-13	Oliver Kruse	C-PRP	M2457383/31376792338690644913 : DF08069D6E7F5014 PRP: Verified PRP without proof (not generated)
2010-03-15	SubPrime	F-ECM	Factor: 31376792338690644913
2009-01-10	Sturle Sunde	NF	no factor from 2^60 to 2^61