No, 1 is not a Prime number.
1, 4, 14, 28
1, 2, 4, 7, 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.
The least common prime factor of 24 and 28 is 2.
The GCF of 4, 7, and 28 is 1.The prime factorization of 4 is 2*2.The prime factorization of 7 is 1*7.The prime factorization of 28 is 2*2*7.The have no common factor other than 1, so that is their GCF.
1, 2, 4, 7, 14, 28, 49, 98, 196 2 and 7 are prime.
Because 7 is a factor of 28 and 63 and 7 is a prime number.
28 has two prime factors: 2 and 7.
The factors of 28 are: 1, 2, 4, 7, 14, and 28.The prime factors of 28 are: 2 and 7.The factors of 32 are: 1, 2, 4, 8, 16, and 32.The only prime factor of 32 is: 2.
7
1 is not prime, so it can't be a prime factor.
It is 1 because 17 is a prime number