1 363 027 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
11436311683066894817	20	63.3	2013-11-05 03:35:47
257853853668800338647463	24	77.8	2018-09-28 10:44:31

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	105 / 640

Estimated T-Level: 25.8 ⓘ

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

Status	Date	User	Residue	Shift
Verified (Factored)		Ken Kriesel	FBC0975B9D19E3AE	0
Verified (Factored)		Cornelius Caesar	FBC0975B9D19E3AE	0
Verified (Factored)		Brian J. Beesley	FBC0975B9D19E3AE	352470

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-30	Oliver Kruse	A9F45B8B1C65F14B	1	0	1	3
Verified (Factored)	2017-10-25	kkmrkkblmbrbk	A9F45B8B1C65F14B	1	408065	1	3
Verified	2018-09-28	camaju	7CF42F831F111BE8	2	208849	5	3
Verified	2018-09-28	rucio	7CF42F831F111BE8	2	1286531	5	3

History

Date	User	Type	Result
2022-03-07	LordJulius	NF	no factor from 2^58 to 2^60
2018-09-28	rucio	C-PRP	M1363027/11436311683066894817/257853853668800338647463 : 7CF42F831F111BE8 PRP: Verified PRP without proof (not generated)
2018-09-28	camaju	C-PRP	M1363027/11436311683066894817/257853853668800338647463 : 7CF42F831F111BE8 PRP: Verified PRP without proof (not generated)
2018-09-28	TJAOI	F-ECM	Factor: 257853853668800338647463 / (ECM curve 30, B1=50000, B2=5000000)
2017-10-25	kkmrkkblmbrbk	C-PRP	M1363027/11436311683066894817 : A9F45B8B1C65F14B PRP: Verified PRP without proof (not generated)
2017-09-30	Oliver Kruse	C-PRP	M1363027/11436311683066894817 : A9F45B8B1C65F14B PRP: Verified PRP without proof (not generated)
2013-11-05	jim f in mn	F-ECM	Factor: 11436311683066894817
2013-01-23	dbaugh	NF	no factor from 2^62 to 2^63
2011-05-09	Xyzzy	NF	no factor from 2^61 to 2^62
2009-02-16	Sturle Sunde	NF	no factor from 2^60 to 2^61