2 279 363 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 2⁶²

Factored

Factor	Digits	Bits	Date
13730882713	11	33.7	old
74864982880306903	17	56.1	2015-03-05 12:06:16

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	128 / 640

Estimated T-Level: 26.0 ⓘ

TF below 2^81 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)	2017-10-11	Oliver Kruse	079E6209606D87C4	2	0	1	3
Verified	PRP without proof (not generated)	2017-11-22	storm5510	079E6209606D87C4	2	1952980	1	3

History

Date	User	Type	Result
2017-11-22	storm5510	C-PRP	M2279363/13730882713/74864982880306903 : 079E6209606D87C4
2017-10-11	Oliver Kruse	C-PRP	M2279363/13730882713/74864982880306903 : 079E6209606D87C4
2016-04-09	alpertron	NF-PM1	B1=500000, B2=15000000, E=12
2015-03-05	TJAOI	F	Factor: 74864982880306903

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