2 594 573 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
19303623121	11	34.2	old
388703359423	12	38.5	2008-07-14 20:25:14
63183015750271	14	45.8	2014-01-30 08:46:39

ECM

Digits	B1	Curves
25	50000	169 / 280

Estimated T-Level: 23.0 ⓘ

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)	2017-10-15	Oliver Kruse	43FB6AD1BBF5CE76	3	1150759	5	3
Verified	PRP without proof (not generated)	2017-12-02	storm5510	43FB6AD1BBF5CE76	3	234321	5	3

History

Date	User	Type	Result
2022-09-24	USAFSS	NF-PM1	B1=300000, B2=313610220
2017-12-02	storm5510	C-PRP	M2594573/19303623121/388703359423/63183015750271 : 43FB6AD1BBF5CE76
2017-10-15	Oliver Kruse	C-PRP	M2594573/19303623121/388703359423/63183015750271 : 43FB6AD1BBF5CE76
2014-01-30	TJAOI	F	Factor: 63183015750271
2008-07-14	George Woltman	F-ECM	Factor: 388703359423

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