Least common multiple of two or three numbers
6th grade (Year 7 in England) · 16 questions · Common Core: 6.NS.B.4 · England: KS3 Number, GCSE Foundation Number
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Date
Score/ 16
Question 1
Find the LCM of 4, 5, 10.
Answer
Question 2
Find the LCM (lowest common multiple) of 9 and 3.
Answer
Question 3
15 = 3 × 5 and 20 = 2² × 5. Find the LCM of 15 and 20.
Answer
Question 4
Find the LCM of 4, 6, 8.
Answer
Question 5
Find the LCM (lowest common multiple) of 10 and 2.
Answer
Question 6
20 = 2² × 5 and 30 = 2 × 3 × 5. Find the LCM of 20 and 30.
Answer
Question 7
Find the LCM of 6, 9, 4.
Answer
Question 8
Find the LCM (lowest common multiple) of 3 and 8.
Answer
Question 9
12 = 2² × 3 and 18 = 2 × 3². Find the LCM of 12 and 18.
Answer
Question 10
Find the LCM of 2, 5, 6.
Answer
Question 11
Find the LCM (lowest common multiple) of 7 and 3.
Answer
Question 12
18 = 2 × 3² and 30 = 2 × 3 × 5. Find the LCM of 18 and 30.
Answer
Question 13
Find the LCM of 2, 7, 4.
Answer
Question 14
Find the LCM (lowest common multiple) of 3 and 8.
Answer
Question 15
20 = 2² × 5 and 30 = 2 × 3 × 5. Find the LCM of 20 and 30.
Answer
Question 16
Find the LCM of 4, 5, 10.
Answer
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