2 569 331 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
5138663	7	22.3	old

ECM

Digits	B1	Curves
25	50000	183 / 280

Estimated T-Level: 23.3 ⓘ

TF below 2^72 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	2AEA498A525A7D25	1	765918	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	2AEA498A525A7D25	1	1589590	5	3

History

Date	User	Type	Result
2022-09-01	USAFSS	NF-PM1	B1=360000, B2=317428650
2019-03-10	Joss	NF-PM1	B1=100000
2017-12-01	storm5510	C-PRP	M2569331/5138663 : 2AEA498A525A7D25
2017-10-15	Oliver Kruse	C-PRP	M2569331/5138663 : 2AEA498A525A7D25

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