1 658 291 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
1456119024045084926951	22	70.3	2012-02-15 09:13:47

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	107 / 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)		Steven Reasoner	89A6A382A4181290	0
Verified (Factored)	1998-12-13	Roger Smith	89A6A382A4181290	1606977

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-02	Oliver Kruse	A3A59F79F9F655FC	1	0	1	3
Verified	2017-11-02	kkmrkkblmbrbk	A3A59F79F9F655FC	1	74407	1	3

History

Date	User	Type	Result
2017-11-02	kkmrkkblmbrbk	C-PRP	M1658291/1456119024045084926951 : A3A59F79F9F655FC PRP: Verified PRP without proof (not generated)
2017-10-02	Oliver Kruse	C-PRP	M1658291/1456119024045084926951 : A3A59F79F9F655FC PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2012-02-15	Axon	F-ECM	Factor: 1456119024045084926951
2012-02-15	Axon	NF-PM1	B1=1000000, B2=40000000, E=12
2012-02-15	Axon	NF-PM1	B1=1000000, B2=32000000, E=12
2012-02-15	Axon	NF-PM1	B1=1000000, B2=24000000, E=12
2012-02-15	Axon	NF-PM1	B1=1000000
2012-02-15	Axon	NF-PM1	B1=900000
2012-02-15	Axon	NF-PM1	B1=800000
2012-02-15	Axon	NF-PM1	B1=700000
2012-02-15	Axon	NF-PM1	B1=600000
2012-02-15	Axon	NF-PM1	B1=500000
2012-02-15	Axon	NF-PM1	B1=400000
2012-02-15	Axon	NF-PM1	B1=300000
2012-02-15	Axon	NF-PM1	B1=200000
2012-02-15	Axon	NF-PM1	B1=100000
2010-08-13	GrunwalderGIMP	NF	no factor from 2^1 to 2^63
2010-04-29	Architects Cubed	NF	no factor from 2^60 to 2^61