Three.
No.
The greatest common factor of 25 and 72 is 1, so they are relatively prime.
It is a factor of 132, not a prime factor.
It is: 2*2*2*3*3 = 72
9 is not prime, so it is not a prime factor of 72, great or otherwise.
No, 6 is a factor of 72.
3 is a prime factor of 72 and is contained in the prime factorization.
By multiplying 2 and 3.
33 is not a factor of 72.
It is: 2*3 = 6
The factors of 16 are: 1 2 4 8 16 The prime factors are: 2 x 2 x 2 x 2
Divide 6 into 72. If the answer has no remainder, 6 is a factor.
2 and 6 are prime factors of 72 2 times 6 times 6 = 72
Three.
Factor trees create prime numbers. Prime numbers are positive. Since the prime factors of negative 72 are the same as positive 72, you might as well do positive 72. 72 36,2 18,2,2 9,2,2,2 3,3,2,2,2