![]() When we do this, we still end up with a 2 that is multiplied by 1. The only way to make 2 by multiplying is 1 × 2. There are no other numbers that can divide into 2 exactly. It can only be made by multiplying 1 × 2. ![]() This means that a prime number cannot be made by multiplying two other whole numbers.Īpart from the number 1 and the number itself, no other whole numbers will divide into a prime number exactly.Ģ is the first prime number. The numbers that divide into a composite number exactly are called factors.Ī prime number has exactly 2 different factors, which are the number 1 and the number itself. If a whole number can divide into it exactly, then it is a composite number. To test if a number is a composite number, try to divide smaller whole numbers into it. 2 is a different number to 4 and it is a smaller number than 4. ![]() A composite number is a number that is made by multiplying two other whole numbers.įor example, 4 is a composite number because it can be made by multiplying two 2’s together.Ĭomposite numbers can be broken down into two smaller whole numbers. ![]()
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