Multiples, Factors and Prime Factors (Edexcel GCSE Maths): Flashcards

Results from a number's times table

Multiply by 1, 2, 3, 4, etc.

Whole numbers dividing exactly into a number, no remainder

$1 \times$ the number, then test $2, 3, 4...$ in order

When a number repeats from earlier pairs

Expressing a number as prime numbers multiplied together

Split the number into any two factors

Circle it - it's a final answer

When only prime numbers remain

$2^2 \times 3 \times 5 \times 7$

Every positive integer has unique prime factorization

1, 2, 3, 4, 6, 8, 12, 24