The GCF is 6.
The GCF is 6.
18 is.
Not a factor of 18 ?
It can be. 9 is a factor of 18.
18 is a factor of 36. 36 is a square. 18 is not.
18 is a single number. The factor pairs of 18 are (18,1)(9,2)(6,3)
18. All numbers' highest factor is the number itself.
The biggest factor of 36 (not including 1 & 36) is 18 (& 2)
The number 8 is the factor of 18. But 8 is not a multiple of 6.
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.
4
Unless you are referring to a specific number, the next factor after 18 is 19.