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Q: Is 33 43 or 63 a prime number?

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43 is the prime number.

43

43 is a prime number because it has exactly two factors, 1 and 43. 33 and 63 each have 3 as a factor as well as 1 and themselves, so they are composite numbers.

A prime number has only 2 factors which are 1 and itself. Composite numbers are everything else except 1 and 0. 1 and 0 are neither prime, nor composite. 43 is a prime number.

43 is a prime number. 3 x 3 x 7 = 63

97 is a prime number. 33, 63, and 25 are composites.

63 has the factors 1, 3, 7, 9, 21, 63 43 is a prime number because there are no numbers that can divide into one and itself.

19 and 67 are prime numbers.

33 and 55 are divisible by 11. 63 is 7 x 9, so 19 and 67 are the prime numbers.

47 is a prime number - but 63 is not a prime number.

The GCF of 33 and 63 is 3. The prime factorization of 33 is 3*11. The prime factorization of 33 is 3*3*7 The GCF is 3.

63 is not a prime number because 9 times 7 is 63. A prime number is a number that can be divided into 1 or itself

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