2 445 173 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
14671039	8	23.8	old
564323486602207	15	49.0	2014-04-22 10:20:43

ECM

Digits	B1	Curves
25	50000	273 / 280

Estimated T-Level: 24.9 ⓘ

TF below 2^78 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	C45BE78CF5205169	2	1060933	5	3
Verified	PRP without proof (not generated)	2017-11-28	storm5510	C45BE78CF5205169	2	1220626	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	M2445173/14671039/564323486602207 : C45BE78CF5205169
2017-10-13	Oliver Kruse	C-PRP	M2445173/14671039/564323486602207 : C45BE78CF5205169
2014-04-22	TJAOI	F	Factor: 564323486602207

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