The prime factorization for 21 is: 3x73 x 7 = 21
The prime factorization of 21 is 3 x 7.
3 x 7 = 21, since both factors are prime, that is the prime factorization of 21.
Do you mean, "What is the prime factorization of 21?"
21 = 3 x 7
The prime factorization for 21 is 3x7.
In actual fact, the prime factorization of 42 is not 21 x 2, as 21 is not a prime number. The complete prime factorization of 42 is 2 x 3 x 7.
The prime factorization of 21 is: 3 x 7
14*21
3 and 7
The prime factorization of 21 is 3 x 7 = 21The prime factorization of 56 is 2 x 2 x 2 x 7 = 56The GCF of 21 and 56 is 7.
The primes factors are of 21 are 3 x 7