what number is not a prime factor
4 is a prime factor of 20 whereas it isn't a factor of 50.
5 is the greatest prime factor of 20.
The prime factors of 20 are: 2 and 5.
No, 5 is.
5 is a prime factor of both numbers.
The greatest common prime factor of 10 and 20 is 5.
20 10,2 5,2,2
5 is.
2 and 5.
2 and 5
The prime factors of 20 using exponents is: 22x 5