Question

How do you know when youcan stop looking for factor of a number

Answer 1

Answer:

If a number is even, it's divisible by 2, i.e. 2 is a factor. If a number's digits total a number that's divisible by 3, the number itself is divisible by 3, i.e. 3 is a factor. If a number ends with a 0 or a 5, it's divisible by 5, i.e. 5 is a factor.

Step-by-step explanation:

Answer 2

Answer:

The quickest way to find the factors of a number is to divide it by the smallest prime number (bigger than 1) that goes into it evenly with no remainder.

Step-by-step explanation: