2 633 437 Exponent Status

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

PrimeNet Exponent Status

M_n

Details

Composite, with 3 known prime factors. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
379214929	9	28.5	old
458218039	9	28.8	2008-07-14 20:29:16
111642620598124159	18	56.6	2015-04-17 11:51:22

ECM

Digits	B1	Curves
25	50000	106 / 280

Estimated T-Level: 21.9 ⓘ

TF below 2^68 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)	2017-10-17	Oliver Kruse	9740EF0538022793	3	1814049	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	9740EF0538022793	3	1285479	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	M2633437/379214929/458218039/111642620598124159 : 9740EF0538022793
2017-10-17	Oliver Kruse	C-PRP	M2633437/379214929/458218039/111642620598124159 : 9740EF0538022793
2015-04-17	TJAOI	F	Factor: 111642620598124159
2008-07-14	George Woltman	F-ECM	Factor: 458218039

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