2 344 889 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
227516170898047	15	47.7	old
2821638008947424402089	22	71.3	2022-12-26 10:24:22

ECM

Digits	B1	Curves
25	50000	75 / 280

Estimated T-Level: 21.3 ⓘ

TF below 2^66 is very unlikely to find new factors due to ECM effort.

Status	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified (Factored)	2017-10-12	Oliver Kruse	AB26F7275B145C8A	1	0	1	3
Verified (Factored)	2017-11-24	kkmrkkblmbrbk	AB26F7275B145C8A	1	1190960	1	3
Verified	2022-12-27	LordJulius	43B16251D1365DDE	2	1421915	5	3

History

Date	User	Type	Result
2022-12-28	ANONYMOUS	CERT	PRP Certification Proof certified good
2022-12-27	LordJulius	C-PRP	M2344889/227516170898047/2821638008947424402089 : 43B16251D1365DDE PRP proof power = 7 PRP: Verified Proof certified good
2022-12-26	_p95holder_	F-ECM	Factor: 2821638008947424402089 / (ECM curve 1, B1=50000, B2=5000000)
2018-03-18	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-11-24	kkmrkkblmbrbk	C-PRP	M2344889/227516170898047 : AB26F7275B145C8A PRP: Verified (Factored) PRP without proof (not generated)
2017-10-12	Oliver Kruse	C-PRP	M2344889/227516170898047 : AB26F7275B145C8A PRP: Verified (Factored) PRP without proof (not generated)