6
The GCF of 18 and 30 is 6
18 is a single number. The factor pairs of 18 are (18,1)(9,2)(6,3)
The GCF is 3.
The GCF of a prime number and a composite number is 1 if the former is not a factor of the latter. 73 is a prime number and 18 is a composite number and 73 is not a factor of 18 because 18 is not divisible by 73. So, GCF(73, 18) = 1.
6, 18, 30, 90
1 and 3 are factors of all of them.
The Greatest Common Factor of 18, 24, 30: 6
The Greatest Common Factor of 18, 27, and 30 is 3.
The greatest common factor of the numbers 18, 30 and 72 is 6.
The GCF is 3.
Not a factor of 18 ?
The greatest common factor is 6.
No. The number 30 is composite and so it cannot be a prime factor.
GCF(30, 18) = 6.
6
18: 1,2,3,6,9, and 18 30: 1,2,3,5,6,10,15,30 The Greatest common factor for these two numbers is 6