2 444 219 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
15393952265481697	17	53.8	old
195295969221402103	18	57.4	2015-06-19 11:25:36

ECM

Digits	B1	Curves
25	50000	133 / 280

Estimated T-Level: 22.4 ⓘ

TF below 2^69 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	5C472243E65536CB	2	1481045	5	3
Verified	PRP without proof (not generated)	2017-11-28	storm5510	5C472243E65536CB	2	2185934	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	M2444219/15393952265481697/195295969221402103 : 5C472243E65536CB
2017-10-13	Oliver Kruse	C-PRP	M2444219/15393952265481697/195295969221402103 : 5C472243E65536CB
2015-06-19	TJAOI	F	Factor: 195295969221402103

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