2 054 849 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
54684790326675263	17	55.6	old
4045593821133568532065157903	28	91.7	2022-03-17 05:55:25

ECM

Digits	B1	Curves
25	50000	137 / 280

Estimated T-Level: 22.4 ⓘ

TF below 2^70 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	BAB129DF94799BE9	1	0	1	3
Verified (Factored)	2017-11-15	ATH	BAB129DF94799BE9	1	1073142	1	3
Verified	2022-03-17	SRJ2877	08197AC960294177	2	711248	5	3

History

Date	User	Type	Result
2022-03-17	Mark Filipski	CERT	PRP Certification Proof certified good
2022-03-17	SRJ2877	C-PRP	M2054849/54684790326675263/4045593821133568532065157903 : 08197AC960294177 PRP proof power = 7 PRP: Verified Proof certified good
2022-03-17	_p95holder_	F-ECM	Factor: 4045593821133568532065157903 / (ECM curve 2, B1=50000, B2=4550000, Sigma=2348717400361654)
2017-11-15	ATH	C-PRP	M2054849/54684790326675263 : BAB129DF94799BE9 PRP: Verified (Factored) PRP without proof (not generated)
2017-10-06	Oliver Kruse	C-PRP	M2054849/54684790326675263 : BAB129DF94799BE9 PRP: Verified (Factored) PRP without proof (not generated)
2016-03-17	alpertron	NF-PM1	B1=500000, B2=15000000, E=12