2 444 357 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
442878378689	12	38.7	old

ECM

Digits	B1	Curves
25	50000	199 / 280

Estimated T-Level: 23.6 ⓘ

TF below 2^73 is very unlikely to find new factors due to ECM effort.

Status	Proof	Date	User	Residue	Number of known factors	Shift	Type	Base
Verified	PRP without proof (not generated)	2017-10-13	Oliver Kruse	E4674D245167E6BD	1	1787423	5	3
Verified	PRP without proof (not generated)	2017-11-28	storm5510	E4674D245167E6BD	1	371207	5	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-28	storm5510	C-PRP	M2444357/442878378689 : E4674D245167E6BD
2017-10-13	Oliver Kruse	C-PRP	M2444357/442878378689 : E4674D245167E6BD

Username
Password