2 509 823 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
69745877938327	14	46.0	old

ECM

Digits	B1	Curves
25	50000	201 / 280

Estimated T-Level: 23.6 ⓘ

TF below 2^73 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)	2017-10-14	Oliver Kruse	0BB08A137C1A4445	1	1735419	5	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	0BB08A137C1A4445	1	1210592	5	3

History

Date	User	Type	Result
2022-08-20	USAFSS	NF-PM1	B1=240000, B2=199861200
2017-11-30	storm5510	C-PRP	M2509823/69745877938327 : 0BB08A137C1A4445
2017-10-14	Oliver Kruse	C-PRP	M2509823/69745877938327 : 0BB08A137C1A4445

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