Ages 11–12🧮 Mathematics12 verified questions on this shelf

Factors, multiples, and primes (age 11+)

Use the concepts and vocabulary of prime numbers, factors, multiples, common factors, common multiples, highest common factor (HCF), lowest common multiple (LCM), and prime factorisation including product notation and the unique factorisat…

Try three questions

Tap an answer to check it. Every question and explanation was checked by independent verifiers that must agree.

Question 1 of 3

Which ordered pair correctly gives the greatest common factor of 48 and 64 and the least common multiple of 4 and 9?

Question 2 of 3

Find the sum of the greatest common factor of 48 and 84 and the least common multiple of 8 and 9. What is the sum?

Question 3 of 3

What is the greatest common factor (GCF) of 48 and 60?

Keep going on this shelf

A free account keeps practising Factors, multiples, and primes (age 11+) with 12 verified questions, tracks the Skill as it blooms, and connects a real teacher when you want one. Every student account needs a parent's email first.

Skill names and descriptions include the Marble Skill Taxonomy © Generative Spark, Inc. (withmarble.com), licensed under ODbL 1.0 (database) and CC BY-SA 4.0 (content). Practice questions are GlowGrades's own, each checked by independent verifiers that must agree before a child ever sees it.