3 771 407 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
1230383819681	13	40.2	old
24489297334106506361	20	64.4	2017-10-02 12:48:51
39368139141910828273	20	65.1	2018-05-30 12:29:42

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	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-09-20	kkmrkkblmbrbk	A915C25EF9D3DE24	1	0	1	3
Verified (Factored)	2017-10-15	Yaroslav Berezhko	76AFDABA302F5BDF	2	0	1	3
Verified (Factored)	2017-12-07	Oliver Kruse	76AFDABA302F5BDF	2	3056261	1	3
Verified	2018-06-01	_p95holder_	D564DC9B6319E083	3	1497360	5	3
Verified	2018-06-03	Battlemaxx	D564DC9B6319E083	3	1478586	5	3

History

Date	User	Type	Result
2022-09-09	Joss	NF-PM1	B1=1000000, B2=212677920
2022-06-16	LordJulius	NF	no factor from 2^66 to 2^67
2022-03-25	Joss	NF-PM1	B1=1000000, B2=147585900
2022-02-14	Joss	NF	no factor from 2^67 to 2^68
2020-08-03	Joss	NF-PM1	B1=377140, B2=3771407, E=6
2020-07-27	Joss	NF-PM1	B1=377140
2018-06-03	Battlemaxx	C-PRP	M3771407/1230383819681/24489297334106506361/39368139141910828273 : D564DC9B6319E083 PRP: Verified PRP without proof (not generated)
2018-06-01	_p95holder_	C-PRP	M3771407/1230383819681/24489297334106506361/39368139141910828273 : D564DC9B6319E083 PRP: Verified PRP without proof (not generated)
2018-05-30	TJAOI	F	Factor: 39368139141910828273 / TF: 65-66
2017-12-07	Oliver Kruse	C-PRP	M3771407/1230383819681/24489297334106506361 : 76AFDABA302F5BDF PRP: Verified PRP without proof (not generated)
2017-10-15	Yaroslav Berezhko	C-PRP	M3771407/1230383819681/24489297334106506361 : 76AFDABA302F5BDF PRP: Verified PRP without proof (not generated)
2017-10-02	TJAOI	F	Factor: 24489297334106506361 / TF: 64-65
2017-09-20	kkmrkkblmbrbk	C-PRP	M3771407/1230383819681 : A915C25EF9D3DE24 PRP: Verified PRP without proof (not generated)