56 = 2^3*7 so the only odd factors (apart of 1) is 7.
The odd prime factor of 56 is: 7
One.
There is only 1 prime factor of 56 and it is 7.
The only odd prime factor of 56 is: 7
1 and 7. 7 is prime.
Just the one which is 7
56 has two prime factors: 2 and 7.
The prime factors of 56 are: 2, 7
the prime factors are 2,2,2,7
Prime factors of 42: 2, 3 and 7 Prime factors of 56: 2 and 7
2 is one of the prime factors of 56.