2 572 939 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
907288198152631	15	49.7	old
3210904085640523681	19	61.5	2016-05-02 12:13:19

ECM

Digits	B1	Curves
25	50000	124 / 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)	2017-10-15	Oliver Kruse	AA74B05B8794CF43	2	1260118	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	AA74B05B8794CF43	2	1156632	5	3

History

Date	User	Type	Result
2022-09-01	USAFSS	NF-PM1	B1=300000, B2=258641460
2017-12-01	storm5510	C-PRP	M2572939/907288198152631/3210904085640523681 : AA74B05B8794CF43
2017-10-15	Oliver Kruse	C-PRP	M2572939/907288198152631/3210904085640523681 : AA74B05B8794CF43
2016-05-02	TJAOI	F	Factor: 3210904085640523681

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