"Explain without much calculation how you know that 2, 3, 5, 7, 11, 13, and 17 are not factors of n = 2 · 3 · 5 · 7 · 11 · 13 · 17 + 1."

Respuesta :

2, 3, 5, 7, 11, 13, and 17 are not factors of n = 2 · 3 · 5 · 7 · 11 · 13 · 17 + 1 because 1 is added to the product of the factors

How to determine the factors?

The product is given as:

n = 2 · 3 · 5 · 7 · 11 · 13 · 17 + 1

Let 2 · 3 · 5 · 7 · 11 · 13 · 17 be represented by x.

So, we have:

n = x + 1

Given the above equation.

The factors of x cannot be the factors of n

This is so because of the 1 that is added to x to given n

Hence, 2, 3, 5, 7, 11, 13, and 17 are not factors of n = 2 · 3 · 5 · 7 · 11 · 13 · 17 + 1 because 1 is added to the product of the factors

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