2 444 513 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
1838273777	10	30.8	old
2178550486079813569	19	60.9	2016-03-16 12:11:15

ECM

Digits	B1	Curves
25	50000	252 / 280

Estimated T-Level: 24.5 ⓘ

TF below 2^76 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	3ED771D4FC0EB873	2	2399931	5	3
Verified	PRP without proof (not generated)	2017-11-28	storm5510	3ED771D4FC0EB873	2	2207108	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	M2444513/1838273777/2178550486079813569 : 3ED771D4FC0EB873
2017-10-13	Oliver Kruse	C-PRP	M2444513/1838273777/2178550486079813569 : 3ED771D4FC0EB873
2016-03-16	TJAOI	F	Factor: 2178550486079813569

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