2
61 is a prime number therefore its only factors are 1 and itself.
As a product of its prime factors: 3*7*7 = 147
30 has three prime factors. The prime factors are 2,3,5.
4 prime factors
Prime numbers have two factors.
Two prime factors
Two prime factors.
Two distinct prime factors, six total prime factors.
There are infinitely many prime factors.
It has 5 prime factors namely 2,3,5,7,11
Two distinct prime factors
The prime factors of 88 are 2 and 11