AQA GCSE Mathematics · 8300
Specification N4 · Paper 1, Paper 2, Paper 3
A factor of each of two or more numbers.
Revise: Primes, Factors, and MultiplesA common factor divides every number being considered.
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GCSE Mathematics · key term
A factor shared by two or more numbers.
Used by AQA, Edexcel and OCR
Specification N4 · Paper 1, Paper 2, Paper 3
A factor of each of two or more numbers.
Revise: Primes, Factors, and MultiplesA common factor divides every number being considered.
Specification N4, A4 · Paper 1, Paper 2, Paper 3
Revise: Primes, Factors and MultiplesA common factor divides each of the numbers exactly.
A factor shared by every term in an expression.
Specification 1.02a, 1.02c · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Foundation), Paper 4 (Higher), Paper 5 (Higher), Paper 6 (Higher)
A number that is a factor of each of two or more given numbers.
Revise: Number PropertiesA common factor is a factor shared by two or more numbers.
Before factorising a quadratic, check whether all its terms have a common factor. Take out the highest common factor first.
A factorisation should normally be complete: no further common factor should remain inside a bracket.
Write complete, ordered lists when using the listing method so that you do not miss the highest common factor or the first common multiple.
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