28 has two prime factors: 2 and 7.
The least common prime factor of 24 and 28 is 2.
Because 7 is a factor of 28 and 63 and 7 is a prime number.
No, 1 is not a prime number.
7
1, 4, 14, 28
prime factors of 28 are: 2, 2, 7.prime factors of 75 are: 3, 5, 5.As 28 and 75 have no common prime factors, their greatest common factor is 1.
Their only prime factor is 4.
2 and 7
7,2,2 14,2 28
In 28, 7. In 16, 2
28 14,2 7,2,2
28 is not a factor of 7 and 2, but 7 and 2 are factors of 28. 28's prime factorization is 22 * 7