2 548 097 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
1258759919	10	30.2	old
74345698764151	14	46.1	2014-02-04 11:47:40
196250634275471	15	47.5	2014-03-06 11:37:13

ECM

Digits	B1	Curves
25	50000	103 / 280

Estimated T-Level: 21.8 ⓘ

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)	2017-10-14	Oliver Kruse	6AE945EE5B4EFFA6	3	664839	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	6AE945EE5B4EFFA6	3	159162	5	3

History

Date	User	Type	Result
2022-08-26	USAFSS	NF-PM1	B1=300000, B2=259451010
2017-12-01	storm5510	C-PRP	M2548097/1258759919/74345698764151/196250634275471 : 6AE945EE5B4EFFA6
2017-10-14	Oliver Kruse	C-PRP	M2548097/1258759919/74345698764151/196250634275471 : 6AE945EE5B4EFFA6
2014-03-06	TJAOI	F	Factor: 196250634275471
2014-02-04	TJAOI	F	Factor: 74345698764151

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