7 is a Prime number; its only prime factor is 7.
49 = 7 x 7 and 7 is prime
Numbers cannot "make" another number prime. If you are looking for the prime factorization of 56, it is 23 * 7.
How about the prime numbers of: 3+7 = 10
5, 7 and 7
5,5,7 and 7.
They are: 13+7 = 20
As a product of its prime factors: 5*5*7*7 = 1225
The three prime numbers that make 455 when multiplied are 5 x 7 x 13.
pairs of prime numbers which make 24:19 + 5 = 2417 + 7 = 2413 + 11 = 24
Themselves because they are all prime numbers.
2 x 7 x 7