1 467 097 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
1375579272508022728090583	25	80.2	2009-10-11 23:09:09

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	8FAEDAFEB3C9D82F	0
Verified (Factored)		Simon Burge	8FAEDAFEB3C9D82F	0

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-10-01	Oliver Kruse	FB63974B012FCA76	1	0	1	3
Verified	2017-10-28	kkmrkkblmbrbk	FB63974B012FCA76	1	805871	1	3

History

Date	User	Type	Result
2017-10-28	kkmrkkblmbrbk	C-PRP	M1467097/1375579272508022728090583 : FB63974B012FCA76 PRP: Verified PRP without proof (not generated)
2017-10-01	Oliver Kruse	C-PRP	M1467097/1375579272508022728090583 : FB63974B012FCA76 PRP: Verified PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2009-10-11	JimBa	F-ECM	Factor: 1375579272508022728090583
2009-04-25	axn	NF-PM1	B1=800000, B2=16000000, E=12