What defines a prime number?
A number that has exactly one factor: the number itself.
A number that has exactly two factors: 1 and itself.
A number that has only odd factors: 1 and itself.
A number that has exactly three factors: 1, itself and one other.
Flashcards for Edexcel IGCSE Maths Prime Factors, HCF and LCM, covering the key terms, formulae and methods you need to recall for Paper 1 and Paper 2. 14 cards, matched to the Edexcel IGCSE Maths (4MA1) specification.
