You can find the prime factorization of 130: 130 = 2*5*13 Therefore the answer is 1. Or you can skip a step. Just divide 130 by 2. You get 65, which is an odd number. Therefore there is only 1 factor of 2 in the factorization of 130.
32 has one prime factor: 232 has only one prime factor: 2
31 is a prime number. Its only prime factor is 31.
2 is the only prime factor of 16.
The only prime factor of 25 is 5.
The only prime factor of 16 is two.
Two
There is only 1 prime factor of 56 and it is 7.
34 has one distinct prime factor.
Since there are infinitely many prime numbers, there can be no such number.
The exponent tells how many times the base is used as a factor.
The exponent tells how many times the base is used as a factor.