2 490 701 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
30142463503	11	34.8	old
123445791731671	15	46.8	2008-09-07 10:06:16

ECM

Digits	B1	Curves
25	50000	196 / 280

Estimated T-Level: 23.5 ⓘ

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	DD4CE31D94603013	2	2206482	5	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	DD4CE31D94603013	2	1580105	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-30	storm5510	C-PRP	M2490701/30142463503/123445791731671 : DD4CE31D94603013
2017-10-14	Oliver Kruse	C-PRP	M2490701/30142463503/123445791731671 : DD4CE31D94603013
2008-09-07	Will Edgington	F	Factor: 123445791731671

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