2 361 563 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
145250293879	12	37.1	old
153735769462161023	18	57.1	2015-05-25 11:11:00

ECM

Digits	B1	Curves
25	50000	230 / 280

Estimated T-Level: 24.1 ⓘ

TF below 2^75 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)	2017-10-12	Oliver Kruse	61A756E70DE52F1A	2	1409745	5	3
Verified	PRP without proof (not generated)	2017-11-24	storm5510	61A756E70DE52F1A	2	1413740	5	3

History

Date	User	Type	Result
2018-04-27	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-24	storm5510	C-PRP	M2361563/145250293879/153735769462161023 : 61A756E70DE52F1A
2017-10-12	Oliver Kruse	C-PRP	M2361563/145250293879/153735769462161023 : 61A756E70DE52F1A
2015-05-25	TJAOI	F	Factor: 153735769462161023

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