2 474 209 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
6749642153	10	32.7	old
22950081539210719	17	54.3	2014-11-18 12:11:38

ECM

Digits	B1	Curves
25	50000	121 / 280

Estimated T-Level: 22.2 ⓘ

TF below 2^69 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	8790E5B984FBB142	2	78293	5	3
Verified	PRP without proof (not generated)	2017-11-29	storm5510	8790E5B984FBB142	2	1908531	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-29	storm5510	C-PRP	M2474209/6749642153/22950081539210719 : 8790E5B984FBB142
2017-10-14	Oliver Kruse	C-PRP	M2474209/6749642153/22950081539210719 : 8790E5B984FBB142
2014-11-18	TJAOI	F	Factor: 22950081539210719

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