2 507 003 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
33283795087673153	17	54.9	old

ECM

Digits	B1	Curves
25	50000	221 / 280

Estimated T-Level: 23.9 ⓘ

TF below 2^75 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	70B2E61833A22CF3	1	1509564	5	3
Verified	PRP without proof (not generated)	2017-11-30	storm5510	70B2E61833A22CF3	1	205215	5	3

History

Date	User	Type	Result
2022-08-20	USAFSS	NF-PM1	B1=240000, B2=199861200
2017-11-30	storm5510	C-PRP	M2507003/33283795087673153 : 70B2E61833A22CF3
2017-10-14	Oliver Kruse	C-PRP	M2507003/33283795087673153 : 70B2E61833A22CF3

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