Index notation and factors + multiples

What is a factor?

A factor is a whole number that can be divided evenly into another number.

What is a multiple?

A multiple is a number that can be expressed as the product of a given number and an integer.

How do you find factors of a number?

To find factors of a number, list all whole numbers that divide evenly into that number.

How do you find multiples of a number?

To find multiples of a number, multiply that number by each integer (1, 2, 3, etc.).

What is index notation?

Index notation is a way to express repeated multiplication of a number using exponents.

What does the exponent in index notation represent?

The exponent indicates how many times the base number is multiplied by itself.

Convert 2 x 2 x 2 x 2 to index notation.

This can be written as 2^4.

What are prime factors?

Prime factors are the prime numbers that multiply together to give a specific number.

What is the least common multiple (LCM)?

The LCM is the smallest multiple that two or more numbers share.

What is the greatest common factor (GCF)?

The GCF is the largest factor that two or more numbers have in common.