A number that can be used as a factor of all numbers.

A number that the factor is only one and itself.

A number that has more than two different factors.

It is done with repeated division until all given numbers are no longer divisible by one common divisor other than 1.

The highest common number or common factor contained exactly in 2 or more numbers

A number is the product of a number and a whole number.

The smallest common multiple of a given number.

Tell whether the statement is TRUE or FALSE. The common multiple of 20 and 40 is 40.

Tell whether the statement is TRUE or FALSE. 90 is the common multiple of 45 and 90.

Tell whether the statement is TRUE or FALSE.The common factors of 10 and 20 are 1, 2, 5 and 10.

Find the greatest common factor of 54 and 84

Find the greatest common factor of 27 and 63

Find the greatest common factor of 7, 21 and 28

Find the least common multiple of 12 and 24

Find the least common multiple of 3, 4 and 6

Diego and Juan are neighbors. Diego paints his house every 4 years while Juan paints his house every 6 years. When will they paint their houses at the same time together again?

My son has a project in Physics. He was given 3 rolls of electric wires that are 14 m, 35 m, and 63 m long, respectively. He was instructed by his instructor to cut the wires such that it has the same lengths possible. What was the greatest possible length of each cut of wire?

Mr. Placido, a security guard, has 3 successive night duties a week? His wife who is a nurse has 2 successive night duties. When will they see each other again if they are together now?

Your mother is making sandwiches for the family picnic. They have 56 ham slices, 48 cheese slices, and 32 tomato slices. What do you think are their common factors?