2 533 163 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
13010325169	11	33.6	old
3895746883868839	16	51.8	2014-07-11 11:41:06

ECM

Digits	B1	Curves
25	50000	165 / 280

Estimated T-Level: 22.9 ⓘ

TF below 2^71 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	528EE0C004518BFB	2	1168684	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	528EE0C004518BFB	2	2166688	5	3

History

Date	User	Type	Result
2019-07-04	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-12-01	storm5510	C-PRP	M2533163/13010325169/3895746883868839 : 528EE0C004518BFB
2017-10-14	Oliver Kruse	C-PRP	M2533163/13010325169/3895746883868839 : 528EE0C004518BFB
2014-07-11	TJAOI	F	Factor: 3895746883868839

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