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Year 5 Factors, Multiples and Prime Numbers Worksheets

Year 5 worksheets for identifying factors, multiples, prime numbers, composite numbers and common factors.

Year group

Year 5

Subject

Maths

Topic

Factors, Multiples and Prime Numbers

Difficulty

KS2

Worksheet type

Multiplication And Division

SEO status

Indexable

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Worksheet type: multiplication and division

Gifted Kids

Year 5 Factors, Multiples and Prime Numbers Worksheets

Year 5 · Maths · Mixed difficulty

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Instructions: Read each question carefully. Try your best before checking the answer sheet.
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What children practise

These printable worksheets help children build confidence with factors, multiples and prime numbers through focused, topic-specific practice.

Finding factors
Finding multiples
Recognising prime numbers
Recognising composite numbers

About these factors, multiples and prime numbers worksheets

Support Year 5 children with factors, multiples and prime numbers worksheets for upper KS2 maths practice, fluency and reasoning.

About these Year 5 factors, multiples and prime numbers worksheets

These Year 5 factors, multiples and prime numbers worksheets help children build confidence with identifying factors, multiples and prime numbers. The questions are designed to support fluency, accuracy and mathematical reasoning.

Children can use these worksheets for classroom practice, home learning, intervention or revision. The content uses UK Year 5 and KS2 wording throughout.

What children learn from this topic

Factors, Multiples and Prime Numbers helps children strengthen upper KS2 maths knowledge and apply it to calculations, representations or problem-solving contexts.

  • Finding factors
  • Finding multiples
  • Recognising prime numbers
  • Recognising composite numbers
  • Using common factors

How parents and teachers can use these worksheets

Parents can use these factors, multiples and prime numbers worksheets for short, focused practice and ask children to explain the method or reasoning behind each answer.

Teachers can use them for lesson practice, retrieval tasks, small-group support or revision after modelling the key Year 5 concepts.

Related worksheets

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Frequently asked questions

What should Year 5 children practise in factors, multiples and prime numbers?+

Year 5 children should practise identifying factors, multiples and prime numbers using accurate methods, clear vocabulary and KS2 reasoning.

How can these factors, multiples and prime numbers worksheets be used?+

They can be used for classroom practice, home learning, intervention or revision after children have been introduced to the main Year 5 concept.

Why is factors, multiples and prime numbers important in upper KS2 maths?+

Factors, Multiples and Prime Numbers helps children build fluency and problem-solving confidence before the more demanding reasoning work they meet in Year 6.