Factors and primes

Factors and primes

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Lesson details

Key learning points

  1. In this lesson, we will be investigating factors, factor pairs and prime numbers.

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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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5 Questions

Q1.
What is the definition of a factor?
A number divides into another number leaving a remainder
Correct answer: A number that divides exactly into another number without leaving a remainder
A number that multiplies another number to get another number
Q2.
What is a prime number?
A number that can be divided by even numbers only
Correct answer: A number that can be divided by itself and one only
A number that can be divided by more than two factors
Q3.
Which of these is not a prime number?
11
3
7
Correct answer: 9
Q4.
Which of these is not a factor of 16?
2
Correct answer: 3
4
8
Q5.
Why do square numbers have an odd number of factors?
Correct answer: Because they always have a repeated factor
Because they are even numbers
Because they are odd numbers

Lesson appears in

UnitMaths / Factors and multiples