The factors of 18 and 27 are 1, 2, 3, 6, 9, 18 and 1, 3, 9, 27. This means the greatest common factor of 18 and 27 is ___.

What is the greatest common factor (GCF) of 10 and 15?

If one number is a multiple of another, then their GCF will be the same as the smaller number (so the GCF of 20 and 60 would be 20).

The GCF of two numbers is always one of those numbers.

The GCF of two prime numbers is always 1

What is the GCF of 32 and 48?

Choose the correct list of the first five multiples of 6

All of these are prime except

Find the LCM of 12, 20 and 24.

LCM stands for

Which Number is not a even Number

______ is the largest of the common factors (of two or more numbers).

GCD stands for

Tell whether the given number is prime or composite: 99

Tell whether the given number is prime or composite: 87

2 is the only prime even number.

What is the Least Common Multiple of 14 and 8?

A _______ of a number is the product of the number and any whole numbers.

Find the least common multiple. 3 & 8

List all the factors of 12