2 546 987 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
840505711	9	29.6	old
10411211786447	14	43.2	2008-09-30 14:37:11

ECM

Digits	B1	Curves
25	50000	130 / 280

Estimated T-Level: 22.3 ⓘ

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)	2017-10-14	Oliver Kruse	A2E61DC411D8789F	2	970253	5	3
Verified	PRP without proof (not generated)	2017-12-01	storm5510	A2E61DC411D8789F	2	2335740	5	3

History

Date	User	Type	Result
2022-08-26	USAFSS	NF-PM1	B1=300000, B2=259451010
2017-12-01	storm5510	C-PRP	M2546987/840505711/10411211786447 : A2E61DC411D8789F
2017-10-14	Oliver Kruse	C-PRP	M2546987/840505711/10411211786447 : A2E61DC411D8789F
2008-09-30	markr	F	Factor: 10411211786447

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