Level 22
Level 24

#### 9 words 0 ignored

Ready to learn
Ready to review

## Ignore words

Check the boxes below to ignore/unignore words, then click save at the bottom. Ignored words will never appear in any learning session.

**Ignore?**

prime numbers

a whole number with exactly two factors, 1 and the number itself

composite numbers

a whole number that has more than two factors

common factor

a number that is a factor of two or more numbers

factor

A number that divides evenly into another number. 3 is a factor of 15 (look at the chart!)

multiples

numbers you say when you skip count. Multiples of 2 are: 2,4,6,8,...

odd number

is a number that can NOT be divided evenly into groups of two

even number

number that is divisible by 2.

Divisible

describes a number that can be divided into equal parts and has no remainder

prime factorization

Breaking down a composite number until all of the factors are prime