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Q: Is 21x2 a prime factorization of 42?

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No, 21 is not prime.

42 = 2 × 3 × 7

No, 21 isn't prime. 2 x 3 x 7 = 42

you are almost there, you must split it one more time. 21 is divisible by 7 and 3, so the prime factorization of 42 is 7x3x2

No, 2 x 3 x 7 = 42

No, 2 x 3 x 7 = 42

No. Prime factorization is the method of expressing a number as the product of prime numbers. So, Prime factorization of 42 = 2x3x7

42.

No.

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.

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

It is: 2*3*7 = 42

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