2 061 919 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
84266396459779057	17	56.2	old
430712847465875843161	21	68.5	2021-11-07 10:17:36

ECM

Digits	B1	Curves
25	50000	134 / 280

Estimated T-Level: 22.4 ⓘ

TF below 2^69 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	78793331C4B4BF09	1	0	1	3
Verified (Factored)	2017-11-15	ATH	78793331C4B4BF09	1	421037	1	3
Verified	2021-11-07	SRJ2877	E1EDB3D2B7C48F70	2	1176661	5	3

History

Date	User	Type	Result
2021-11-07	Ben Delo	CERT	PRP Certification Proof certified good
2021-11-07	SRJ2877	C-PRP	M2061919/84266396459779057/430712847465875843161 : E1EDB3D2B7C48F70 PRP proof power = 7 PRP: Verified Proof certified good
2021-11-07	_p95holder_	F-ECM	Factor: 430712847465875843161 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-15	ATH	C-PRP	M2061919/84266396459779057 : 78793331C4B4BF09 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2061919/84266396459779057 : 78793331C4B4BF09 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-16	alpertron	NF-PM1	B1=500000, B2=15000000, E=12