6 056 753 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
1392008187467886968603832209	28	90.2	2013-01-24 08:47:44

ECM

Digits	B1	Curves
25	50000	3 / 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)	1998-12-13	INTERSHOP Communications	3AED2F9346D79569	0
Verified (Factored)	2001-05-27	Erik Alvis	3AED2F9346D79569	2549624

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2017-09-20	kkmrkkblmbrbk	9E92039928F45339	1	0	1	3
Verified	2018-09-16	rucio	9E92039928F45339	1	514761	1	3

P-1 factors

Date	Factor	B1	B2
2013-01-24	1392008187467886968603832209	110000	2200000

History

Date	User	Type	Result
2018-09-16	rucio	C-PRP	M6056753/1392008187467886968603832209 : 9E92039928F45339 PRP: Verified PRP without proof (not generated)
2017-09-20	kkmrkkblmbrbk	C-PRP	M6056753/1392008187467886968603832209 : 9E92039928F45339 PRP: Verified PRP without proof (not generated)
2013-01-24	Squeeky_Squirrel	F-PM1	Factor: 1392008187467886968603832209