To work out a prime factor we must divide the number by the smallest possible prime number:
8595 ÷ 3 = 2865
Then divide the new number by the smallest possible prime number:
2865 ÷ 3 = 955
And again until we can’t any further:
955 ÷ 5 = 191
191 ÷ 191 = 1
Prime factors of 8595 are:
3, 3, 5, 191.
