Year 6 Factors, Multiples and Primes Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the Year 6 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 6 · Mathematics · Factors, Multiples & PrimesYear 6 Factors, Multiples and Primes Worksheet — Level 3 — Answers
Part A: Factors
1.List all the factors of 66.
Answer: 1, 2, 3, 6, 11, 22, 33, 66
2.List all the factors of 59.
Answer: 1, 59
3.List all the factors of 79.
Answer: 1, 79
4.List all the factors of 33.
Answer: 1, 3, 11, 33
Part B: Multiples
5.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
6.Write the first five multiples of 3.
Answer: 3, 6, 9, 12, 15
7.Write the first five multiples of 12.
Answer: 12, 24, 36, 48, 60
8.Write the first five multiples of 11.
Answer: 11, 22, 33, 44, 55
Part C: HCF and LCM
9.Find the lowest common multiple (LCM) of 7 and 19.
Answer: 133
- Multiples of 7: 7, 14, 21, 28…
- Multiples of 19: 19, 38, 57, 76…
- Lowest common multiple = 133
10.Find the lowest common multiple (LCM) of 31 and 13.
Answer: 403
- Multiples of 31: 31, 62, 93, 124…
- Multiples of 13: 13, 26, 39, 52…
- Lowest common multiple = 403
11.Find the highest common factor (HCF) of 33 and 24.
Answer: 3
- Factors of 33: 1, 3, 11, 33
- Factors of 24: 1, 2, 3, 4, 6, 8, 12, 24
- Highest common factor = 3
12.Find the highest common factor (HCF) of 8 and 19.
Answer: 1
- Factors of 8: 1, 2, 4, 8
- Factors of 19: 1, 19
- Highest common factor = 1
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