Family

Factors, multiples and primes

Number

Topics

• FactorsNumber · F · Grade 1
• MultiplesNumber · F · Grade 1
• Prime numbersNumber · F · Grade 1
• Highest common factor (using listing)Number · F · Grade 2
• Lowest common multiple (using listing)Number · F · Grade 2
• Finding HCF and LCM using prime factorisationNumber · F · Grade 3
• Prime factorisationNumber · F · Grade 3