1.2.2

Prime Numbers

Test yourself

Prime Numbers

Prime numbers are numbers that only have two factors; 1 and the number itself.

Illustrative background for Is 5 a prime number?Illustrative background for Is 5 a prime number? ?? "content

Is 5 a prime number?

  • The only factors of 5 are 5 and 1.
    • 5 is a prime number.
Illustrative background for Is 6 a prime number?Illustrative background for Is 6 a prime number? ?? "content

Is 6 a prime number?

  • The factors of 6 are 1, 2, 3 and 6.
    • 6 is NOT a prime number.
Illustrative background for Is 7 a prime number?Illustrative background for Is 7 a prime number? ?? "content

Is 7 a prime number?

  • The only factors of 7 are 1 and 7.
    • 7 is a prime number.

Jump to other topics

1Number

1.1Place Value

1.2Factors & Multiples

1.3Operations

1.4Fractions, Decimals & Percentages

1.5Growth & Decay

1.6Measurements & Units

1.7Accuracy

2Algebra

3Ratio, Proportion & Rates of Change

4Geometry & Measures

5Probability

6Statistics

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