The prime factors of 144 are 2, 2, 2, 2, 3 and 3
The prime factors of 300 are 2, 2, 3, 5 and 5
So the only prime numbers which are common to both numbers are 2, 2 and 3 = 12
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The Greatest Common Factor (GCF) is: 36
The common factors are: 1, 2, 5, 10, 25, 50.
The greatest common factor is 50.
The factors of 40 are: 1, 2, 4, 5, 8, 10, 20, 40The factors of 144 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144The common factors are: 1, 2, 4, 8
No, 64 and 144 are not relatively prime. To be relatively prime, the only common factor they could have would be 1. They have other common factors such as 2, 4, 8 and 16.