2 444 063 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
4888127	7	22.2	old
60715413047	11	35.8	2008-07-14 20:23:56

ECM

Digits	B1	Curves
25	50000	280 / 280
30	250000	61 / 640

Estimated T-Level: 25.5 ⓘ

TF below 2^80 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)	2017-10-13	Oliver Kruse	6950239AF8CDDD45	2	1956110	5	3
Verified	PRP without proof (not generated)	2017-11-28	storm5510	6950239AF8CDDD45	2	2048120	5	3

History

Date	User	Type	Result
2018-09-28	alpertron	NF-PM1	B1=2000000, B2=60000000, E=12
2017-11-28	storm5510	C-PRP	M2444063/4888127/60715413047 : 6950239AF8CDDD45
2017-10-13	Oliver Kruse	C-PRP	M2444063/4888127/60715413047 : 6950239AF8CDDD45
2008-07-14	George Woltman	F-ECM	Factor: 60715413047

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