2 127 143 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
157408583	9	27.2	old
39285849000597719753	20	65.1	2018-05-30 12:21:09

ECM

Digits	B1	Curves
25	50000	99 / 280

Estimated T-Level: 21.8 ⓘ

TF below 2^67 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-08	Oliver Kruse	E6728A8E03673DED	1	0	1	3
Verified (Factored)	2017-11-17	kkmrkkblmbrbk	E6728A8E03673DED	1	580377	1	3
Verified	2018-06-01	_p95holder_	AED4CB8825AE9E65	2	77815	5	3
Verified	2018-06-01	kkmrkkblmbrbk	AED4CB8825AE9E65	2	1277925	5	3

History

Date	User	Type	Result
2018-06-01	kkmrkkblmbrbk	C-PRP	M2127143/157408583/39285849000597719753 : AED4CB8825AE9E65 PRP: Verified PRP without proof (not generated)
2018-06-01	_p95holder_	C-PRP	M2127143/157408583/39285849000597719753 : AED4CB8825AE9E65 PRP: Verified PRP without proof (not generated)
2018-05-30	TJAOI	F	Factor: 39285849000597719753 / TF: 65-66
2017-11-17	kkmrkkblmbrbk	C-PRP	M2127143/157408583 : E6728A8E03673DED PRP: Verified PRP without proof (not generated)
2017-10-08	Oliver Kruse	C-PRP	M2127143/157408583 : E6728A8E03673DED PRP: Verified PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12