Best Answer

33 has the factors ,3, & '11' ; it is composite

43 has no factors ; it is a Prime number

63 has the factors 3,7,9,21 ; it is composite.

Q: Which is a prime number 33 43 63?

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43

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.

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.

There isn't a prime number between 63 and 65

63

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43 is the prime number.

43 is the only prime number in that list; 33 and 63 are both divisible by 3.

43

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.

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

19 and 67 are prime numbers.

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

63 is not a prime number.

No, as 63 = 7 x 9 and then is not a prime number