6 023 683 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
3900312412870252383007	22	71.7	2018-07-12 10:57:31

ECM

Digits	B1	Curves
25	50000	6 / 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)	1998-10-25	Michael Berg	F7B3159B2745F465	0
Verified (Factored)	2001-06-17	Marc Getty / Phil Fizur	F7B3159B2745F465	1772827

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	2018-07-17	_p95holder_	47C3B343BB278028	1	4668211	5	3
Verified	2018-07-18	kkmrkkblmbrbk	47C3B343BB278028	1	803447	5	3

P-1 factors

Date	Factor	B1	B2
2018-07-12	3900312412870252383007	2000000	70000000

History

Date	User	Type	Result
2018-07-18	kkmrkkblmbrbk	C-PRP	M6023683/3900312412870252383007 : 47C3B343BB278028 PRP: Verified PRP without proof (not generated)
2018-07-17	_p95holder_	C-PRP	M6023683/3900312412870252383007 : 47C3B343BB278028 PRP: Verified PRP without proof (not generated)
2018-07-12	mikr	F-PM1	Factor: 3900312412870252383007 / (P-1, B1=2000000, B2=70000000, E=12)
2018-05-29	ramgeis	NF	no factor from 2^67 to 2^68
2016-03-09	Gordon Spence	NF	no factor from 2^66 to 2^67
2016-02-23	Mark Rose	NF	no factor from 2^62 to 2^63
2015-10-03	snme2pm1	NF	no factor from 2^65 to 2^66
2014-05-30	c10ck3r	NF	no factor from 2^63 to 2^65
2013-01-31	Squeeky_Squirrel	NF-PM1	B1=110000, B2=2172500, E=6