2 440 693 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 2 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
6518637034103	13	42.6	old
22644359143121	14	44.4	2008-09-30 14:37:01

ECM

Digits	B1	Curves
25	50000	192 / 280

Estimated T-Level: 23.4 ⓘ

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	BC8DBA96448EC4B4	2	68455	5	3
Verified	PRP without proof (not generated)	2017-11-27	storm5510	BC8DBA96448EC4B4	2	2187186	5	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-27	storm5510	C-PRP	M2440693/6518637034103/22644359143121 : BC8DBA96448EC4B4
2017-10-13	Oliver Kruse	C-PRP	M2440693/6518637034103/22644359143121 : BC8DBA96448EC4B4
2008-09-30	markr	F	Factor: 22644359143121

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