Free practice on LCM, HCF, Factors and Multiples for Class 6, following the Cameroon primary school curriculum (English subsystem). Every answer is explained, so a parent who is not sure of the answer can still help.
What is the LCM of 6 and 8?
Write your answer, then check below.
Answer:
Multiples of 6: 6,12,18,24… Multiples of 8: 8,16,24… Lowest common = 24.
What is the LCM of 4 and 10?
Write your answer, then check below.
Answer:
What is the HCF of 24 and 36?
Write your answer, then check below.
Answer:
12 is the biggest number that divides both 24 and 36 exactly.
All the factors of 18 are:
Answer: A. 1, 2, 3, 6, 9, 18
Two church bells ring every 6 minutes and every 9 minutes. They ring together now. After how many minutes will they ring together again?
Answer: B. 18
LCM of 6 and 9 = 18 minutes.
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