HCF & LCM | O LEVELS (4024) & IGCSE (0580) | 2025 | Sir Arshad
2026 · 54m
Synopsis
This playlist consists of Sir Arshad's lecture on HCF & LCM for the courses of O LEVELS (4024) and IGCSE (0580) for 2025.
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𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭 𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗻𝘂𝗺𝗯𝗲𝗿 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 Identify and use: Example tasks include: • natural numbers • convert between numbers and words, e.g. six billion • integers (positive, zero and negative) is 6 000 000 000 • prime numbers 10 007 is ten thousand and seven • square numbers • express 72 as a product of its prime factors • cube numbers • find the highest common factor (HCF) of two • common factors numbers • common multiples • find the lowest common multiple (LCM) of • rational and irrational numbers two nu
𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭 𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗻𝘂𝗺𝗯𝗲𝗿 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 Identify and use: Example tasks include: • natural numbers • convert between numbers and words, e.g. six billion • integers (positive, zero and negative) is 6 000 000 000 • prime numbers 10 007 is ten thousand and seven • square numbers • express 72 as a product of its prime factors • cube numbers • find the highest common factor (HCF) of two • common factors numbers • common multiples • find the lowest common multiple (LCM) of • rational and irrational numbers two nu
𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭 𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗻𝘂𝗺𝗯𝗲𝗿 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 Identify and use: Example tasks include: • natural numbers • convert between numbers and words, e.g. six billion • integers (positive, zero and negative) is 6 000 000 000 • prime numbers 10 007 is ten thousand and seven • square numbers • express 72 as a product of its prime factors • cube numbers • find the highest common factor (HCF) of two • common factors numbers • common multiples • find the lowest common multiple (LCM) of • rational and irrational numbers two nu
𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭 𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗻𝘂𝗺𝗯𝗲𝗿 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 Identify and use: Example tasks include: • natural numbers • convert between numbers and words, e.g. six billion • integers (positive, zero and negative) is 6 000 000 000 • prime numbers 10 007 is ten thousand and seven • square numbers • express 72 as a product of its prime factors • cube numbers • find the highest common factor (HCF) of two • common factors numbers • common multiples • find the lowest common multiple (LCM) of • rational and irrational numbers two nu
𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭 𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗻𝘂𝗺𝗯𝗲𝗿 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 Identify and use: Example tasks include: • natural numbers • convert between numbers and words, e.g. six billion • integers (positive, zero and negative) is 6 000 000 000 • prime numbers 10 007 is ten thousand and seven • square numbers • express 72 as a product of its prime factors • cube numbers • find the highest common factor (HCF) of two • common factors numbers • common multiples • find the lowest common multiple (LCM) of • rational and irrational numbers two nu
𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭 𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗻𝘂𝗺𝗯𝗲𝗿 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 Identify and use: Example tasks include: • natural numbers • convert between numbers and words, e.g. six billion • integers (positive, zero and negative) is 6 000 000 000 • prime numbers 10 007 is ten thousand and seven • square numbers • express 72 as a product of its prime factors • cube numbers • find the highest common factor (HCF) of two • common factors numbers • common multiples • find the lowest common multiple (LCM) of • rational and irrational numbers two nu
𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭 𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗻𝘂𝗺𝗯𝗲𝗿 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 Identify and use: Example tasks include: • natural numbers • convert between numbers and words, e.g. six billion • integers (positive, zero and negative) is 6 000 000 000 • prime numbers 10 007 is ten thousand and seven • square numbers • express 72 as a product of its prime factors • cube numbers • find the highest common factor (HCF) of two • common factors numbers • common multiples • find the lowest common multiple (LCM) of • rational and irrational numbers two nu
𝟭 𝗡𝘂𝗺𝗯𝗲𝗿 𝟭.𝟭 𝗧𝘆𝗽𝗲𝘀 𝗼𝗳 𝗻𝘂𝗺𝗯𝗲𝗿 𝗡𝗼𝘁𝗲𝘀 𝗮𝗻𝗱 𝗲𝘅𝗮𝗺𝗽𝗹𝗲𝘀 Identify and use: Example tasks include: • natural numbers • convert between numbers and words, e.g. six billion • integers (positive, zero and negative) is 6 000 000 000 • prime numbers 10 007 is ten thousand and seven • square numbers • express 72 as a product of its prime factors • cube numbers • find the highest common factor (HCF) of two • common factors numbers • common multiples • find the lowest common multiple (LCM) of • rational and irrational numbers two nu