2 321 587 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
39889452115913	14	45.2	old
2326406145317117473	19	61.0	2016-03-23 12:24:17

ECM

Digits	B1	Curves
25	50000	73 / 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	2017-10-11	Oliver Kruse	CE5BEEA5FECF8B27	2	0	1	3
Verified	2017-11-23	ATH	CE5BEEA5FECF8B27	2	798274	1	3

History

Date	User	Type	Result
2021-04-22	ViliamF	NF-PM1	B1=5000000, B2=500000000
2018-03-05	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2017-11-23	ATH	C-PRP	M2321587/39889452115913/2326406145317117473 : CE5BEEA5FECF8B27 PRP: Verified PRP without proof (not generated)
2017-10-11	Oliver Kruse	C-PRP	M2321587/39889452115913/2326406145317117473 : CE5BEEA5FECF8B27 PRP: Verified PRP without proof (not generated)
2016-03-23	TJAOI	F	Factor: 2326406145317117473 / TF: 61-62