2 542 109 Exponent Status

Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

M_n

Details

Composite, with 1 known prime factor. Cofactor is composite.

Trial Factored to 2⁶⁸

TF target 2⁶³

Factored

Factor	Digits	Bits	Date
20336873	8	24.3	old

ECM

Digits	B1	Curves
25	50000	114 / 280

Estimated T-Level: 22.0 ⓘ

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	F8976D39D0EBE31E	1	2004576	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	F8976D39D0EBE31E	1	372834	5	3

History

Date	User	Type	Result
2022-08-24	USAFSS	NF-PM1	B1=300000, B2=259451010
2017-12-01	storm5510	C-PRP	M2542109/20336873 : F8976D39D0EBE31E
2017-10-14	Oliver Kruse	C-PRP	M2542109/20336873 : F8976D39D0EBE31E

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