1 466 317 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
92808774421092853967	20	66.3	2015-05-27 19:58:53

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)		Rich Harms	7640ABCD1BB30070	0
Verified (Factored)	1999-03-26	Sam Hayes Merritt,III	7640ABCD1BB30070	651815

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-01	Oliver Kruse	A3E1BFB88A46AA4A	1	0	1	3
Verified	2017-10-28	kkmrkkblmbrbk	A3E1BFB88A46AA4A	1	543184	1	3

History

Date	User	Type	Result
2017-10-28	kkmrkkblmbrbk	C-PRP	M1466317/92808774421092853967 : A3E1BFB88A46AA4A PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1466317/92808774421092853967 : A3E1BFB88A46AA4A PRP: Verified PRP without proof (not generated)
2015-05-27	Chang Chia-Tche	F-ECM	Factor: 92808774421092853967 / (ECM curve 1, B1=50000, B2=5000000)
2015-05-24	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2015-04-01	snme2pm1	NF	no factor from 2^64 to 2^65
2015-04-01	snme2pm1	NF	no factor from 2^63 to 2^64
2011-04-05	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-05-07	Architects Cubed	NF	no factor from 2^60 to 2^61
2009-04-25	axn	NF-PM1	B1=800000, B2=16000000, E=12