2 589 161 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
19982911573511	14	44.2	old
23660696487728844343	20	64.4	2017-09-19 12:50:39

ECM

Digits	B1	Curves
25	50000	137 / 280

Estimated T-Level: 22.4 ⓘ

TF below 2^70 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)	2017-10-15	Oliver Kruse	CC94D25123610C4A	2	1973487	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	CC94D25123610C4A	2	1770132	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-02	storm5510	C-PRP	M2589161/19982911573511/23660696487728844343 : CC94D25123610C4A
2017-10-15	Oliver Kruse	C-PRP	M2589161/19982911573511/23660696487728844343 : CC94D25123610C4A
2017-09-19	TJAOI	F	Factor: 23660696487728844343

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