6th Grade Factors, Multiples and Primes Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the 6th Grade factors, multiples & primes worksheet.
6th Grade Factors, Multiples and Primes Worksheet — Level 3 — Answers
Part A: Factors
1.List all the factors of 16.
Answer: 1, 2, 4, 8, 16
2.List all the factors of 45.
Answer: 1, 3, 5, 9, 15, 45
3.List all the factors of 27.
Answer: 1, 3, 9, 27
4.List all the factors of 28.
Answer: 1, 2, 4, 7, 14, 28
Part B: Multiples
5.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
6.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
7.Write the first five multiples of 5.
Answer: 5, 10, 15, 20, 25
8.Write the first five multiples of 8.
Answer: 8, 16, 24, 32, 40
Part C: HCF and LCM
9.Find the lowest common multiple (LCM) of 19 and 21.
Answer: 399
- Multiples of 19: 19, 38, 57, 76…
- Multiples of 21: 21, 42, 63, 84…
- Lowest common multiple = 399
10.Find the lowest common multiple (LCM) of 36 and 10.
Answer: 180
- Multiples of 36: 36, 72, 108, 144…
- Multiples of 10: 10, 20, 30, 40…
- Lowest common multiple = 180
11.Find the lowest common multiple (LCM) of 11 and 8.
Answer: 88
- Multiples of 11: 11, 22, 33, 44…
- Multiples of 8: 8, 16, 24, 32…
- Lowest common multiple = 88
12.Find the lowest common multiple (LCM) of 28 and 37.
Answer: 1036
- Multiples of 28: 28, 56, 84, 112…
- Multiples of 37: 37, 74, 111, 148…
- Lowest common multiple = 1036
Marking tips
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