Topic 7- Factors, Multiples, Prime, Composite

Front

What is a multiple?

Back

A multiple of a number is the result of multiplying that number by an integer. For example, the multiples of 3 are 3, 6, 9, 12, 15, etc.

Front

What are the next three multiples of 6? 6, 12, 18, ___, ___, ___

Back

24, 30, 36

Front

Which number is a multiple of 3? 15, 4, 1, 5

Back

15

Front

What is a common multiple?

Back

A common multiple is a number that is a multiple of two or more numbers. For example, 12 is a common multiple of 3 and 4.

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder. For example, 2 is a factor of 8 because 8 ÷ 2 = 4.

Front

Which is a factor pair of 24? 2, 12; 3, 5; 7, 6; 8, 5

Back

2, 12

Front

What are the factors of 20? 2, 10, 5, 4, 1, 20; 3, 5, 7, 9; 40, 80, 100; 15, 25, 35

Back

2, 10, 5, 4, 1, 20

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. For example, 2, 3, 5, and 7 are prime numbers.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two factors. For example, 4, 6, 8, and 9 are composite numbers.

Front

What is the least common multiple (LCM)?

Back

The least common multiple (LCM) of two or more numbers is the smallest multiple that is exactly divisible by each of the numbers.