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No, 21 isn't prime. Try 2 x 3 x 7.

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12y ago

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What is a prime factorization of -42?

The prime factors of 42 are 2, 3 and 7.


Are there any prime factorizations for 42?

Yes and they are: 2, 3 and 7


What is the prime factorization for -42?

The prime factors of 42 are 2, 3, and 7. These prime numbers multiplied create 42.2*3*7 = 422 x 3 x 7 = 42.


What is the prime factorizations of 8 and 42?

8 = 2 x 2 x 2 42 = 2 x 3 x 7


What makes 42 by multiplying prime numbers?

42 = 2 x 3 x 7.


Can you explain why the prime factorization of 42 is 21 2?

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.


Are the prime factorization of 42 21x2?

No, 21 is not prime.


Is 21 x 2 a prime factorization of 42?

No, 21 is not a prime number.


Is the prime factorization of 42 21 x 2?

Prime Factorization of 42No, 21 X 2 is not the prime factorization of 42 because 21 is a composite number.2 X 3 X 7 is the prime factorization of 42 because all the factors are prime numbers.To arrive at the prime factorization in this particular case, you had to factor 21 down to its prime factors, not forgetting that one of the prime factors of 42 was already 2.2 X 21 = 423 X 7 = 21, so the prime factorization of 42 is:2 X 3 X 7No, 21 is not prime. Try 2 x 3 x 7.


Why is is the prime factorization 42 21 2?

It's incomplete. 21 isn't prime. 42 21,2 7,3,2 2 x 3 x 7 = 42


Two common factors of 42 and 231?

To find the common factors of 42 and 231, we first need to find the prime factorization of each number. The prime factorization of 42 is 2 x 3 x 7, and the prime factorization of 231 is 3 x 7 x 11. The common factors of 42 and 231 are the prime numbers that appear in both factorizations, which are 3 and 7. Therefore, the two common factors of 42 and 231 are 3 and 7.


Is 21x 2 the only prime factorization of 42?

21 isn't prime. The prime factorization of 42 is 2 x 3 x 7.