3, 5 and 7
231 = 3 x 7 x 11
no
Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. All of the factors of 36 are also factors of 72.
Since 36 is a factor of 72, the factors of 36 are included in the factors of 72.
Apart from 1, all of the other factors of 72 are multiples of prime factors.
Since 36 is a factor of 72, all of its factors are included in the factors of 72.
Zero and one.
prime
i think it just a number
Prime
find all factors of 72