5 397 863 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
36616091722259480779540793	26	84.9	2015-03-20 19:02:45

ECM

Digits	B1	Curves
25	50000	4 / 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)	1998-10-29	MFS Software	416AD135B741D0C8	0
Verified (Factored)	2000-09-08	texaport	416AD135B741D0C8	1061010

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-11-30	kkmrkkblmbrbk	65E05E1FE5C09541	1	3133365	5	3
Verified	2018-06-21	Martin Russell	65E05E1FE5C09541	1	4935129	5	3

History

Date	User	Type	Result
2018-06-21	Martin Russell	C-PRP	M5397863/36616091722259480779540793 : 65E05E1FE5C09541 PRP: Verified PRP without proof (not generated)
2017-11-30	kkmrkkblmbrbk	C-PRP	M5397863/36616091722259480779540793 : 65E05E1FE5C09541 PRP: Verified PRP without proof (not generated)
2015-03-20	Sid & Andy	F-ECM	Factor: 36616091722259480779540793
2014-12-25	VictordeHollander	NF	no factor from 2^64 to 2^65
2014-12-25	VictordeHollander	NF	no factor from 2^63 to 2^64
2010-10-13	Squeeky_Squirrel	NF-PM1	B1=60000, B2=960000, E=6
2009-05-16	GrunwalderGIMP	NF	no factor from 2^62 to 2^63