6 is not a factor of 80. 6 is not a prime number.
The greatest common factor of 54 and 99 is 9, which is not prime. The greatest common factor of 80 and 114 is 2, which is prime.
80 40,2 20,2,2 10,2,2,2 5,2,2,2,2
The prime factors of 80 are 2,2,2,2,5.The product is 2x2x2x2x5, which is 80.
The only prime factor these numbers share is 2. It is the only prime factor of 64, which is 2 to the 6th power. The hcf is 16, but that is not a prime.
45: 3 5 80: 2 5
80 40,2 20,2,2 10,2,2,2 5,2,2,2,2
170
50 is not a prime number because it has more than 2 factors 10x5=50 1x50=50 and 80 is also not a prime because it has more than 2 factors 1x80=80 2x40= 80
Prime factors of 80: 2 and 5 Composite factors of 80: 4, 8, 10, 16, 20, 40, 80
No, because 1 is not their only common factor. The number 3 is also a common factor.
As a product of its prime factors: 2*5*7 = 70