2 049 961 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
12299767	8	23.6	old
39079785357541386950399	23	75.0	2021-07-21 04:10:17

ECM

Digits	B1	Curves
25	50000	114 / 280

Estimated T-Level: 22.0 ⓘ

TF below 2^68 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-06	Oliver Kruse	C6A52B3D672ED034	1	0	1	3
Verified (Factored)	2017-11-15	kkmrkkblmbrbk	C6A52B3D672ED034	1	673157	1	3
Verified	2021-07-21	SRJ2877	0ED59F358D2BAA27	2	102262	5	3
Verified	2021-07-21	tanaydin	0ED59F358D2BAA27	2	728611	5	3

History

Date	User	Type	Result
2021-07-21	curtisc	CERT	PRP Certification Proof certified good
2021-07-21	curtisc	CERT	PRP Certification Proof certified good
2021-07-21	tanaydin	C-PRP	M2049961/12299767/39079785357541386950399 : 0ED59F358D2BAA27 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-21	SRJ2877	C-PRP	M2049961/12299767/39079785357541386950399 : 0ED59F358D2BAA27 PRP proof power = 7 PRP: Verified Proof certified good
2021-07-21	_p95holder_	F-ECM	Factor: 39079785357541386950399 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-15	kkmrkkblmbrbk	C-PRP	M2049961/12299767 : C6A52B3D672ED034 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2049961/12299767 : C6A52B3D672ED034 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12