NumberHigh Exam FrequencyAQAEdexcelOCRWJEC
Factors, Multiples & Primes
Revise Factors, Multiples & Primes in Number for GCSE Mathematics with 14 exam-style questions and 22 flashcards. This is a high-frequency exam topic, so students should expect to explain it clearly under timed conditions.
Study this topic
1Introduction2Key Facts3Notes4Diagram5Notes6Deep Dive7Notes8Exam Tips9Summary
Building Blocks of Numbers
Key Definitions
Finding Factors Systematically
Prime Factor Trees
Finding HCF and LCM
Advanced Techniques
Real-World Applications
Exam Tips & Common Mistakes
Knowledge Organiser: Factors, Multiples and Primes
Sample Flashcards
Factor
A number that divides exactly into another number with no remainder.
Example: Factors of 12 are 1, 2, 3, 4, 6, 12
Multiple
A number in the times table of another number.
Example: Multiples of 5 are 5, 10, 15, 20, 25, 30...
Exam questions for Factors, Multiples & Primes
Which of these numbers is prime?
Explain why 51 is not a prime number.
Want more? See all GCSE Mathematics exam questions by paper with full model answers and mark schemes.
14
exam-style questions
22
revision flashcards
Ready to revise Factors, Multiples & Primes?
Get personalised daily study plans, adaptive quizzes, and spaced repetition flashcards.
Start revising free