2 003 279 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
11845578551852439089	20	63.4	2009-09-03 09:57:58

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	116 / 640

Estimated T-Level: 25.9 ⓘ

TF below 2^81 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Shift
Verified (Factored)		Mark Grennan	F090ACC1B29AAB8B	0
Verified (Factored)	1999-01-10	Sam Laur	F090ACC1B29AAB8B	1114869

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-05	Oliver Kruse	58436BA81611FDFE	1	0	1	3
Verified	2017-11-13	kkmrkkblmbrbk	58436BA81611FDFE	1	1394777	1	3

History

Date	User	Type	Result
2022-03-09	LordJulius	NF	no factor from 2^1 to 2^60
2017-11-13	kkmrkkblmbrbk	C-PRP	M2003279/11845578551852439089 : 58436BA81611FDFE PRP: Verified PRP without proof (not generated)
2017-10-05	Oliver Kruse	C-PRP	M2003279/11845578551852439089 : 58436BA81611FDFE PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2009-09-03	JimBa	F-ECM	Factor: 11845578551852439089
2009-01-03	Sturle Sunde	NF	no factor from 2^60 to 2^61