Year 5 Factors, Multiples and Primes Worksheet — Level 2 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 5 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 5 · Mathematics · Factors, Multiples & PrimesYear 5 Factors, Multiples and Primes Worksheet — Level 2 — Practice Set 2 — Answers
Part A: Factors
1.List all the factors of 55.
Answer: 1, 5, 11, 55
2.List all the factors of 65.
Answer: 1, 5, 13, 65
3.List all the factors of 37.
Answer: 1, 37
4.List all the factors of 60.
Answer: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
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 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 highest common factor (HCF) of 6 and 33.
Answer: 3
- Factors of 6: 1, 2, 3, 6
- Factors of 33: 1, 3, 11, 33
- Highest common factor = 3
10.Find the highest common factor (HCF) of 40 and 30.
Answer: 10
- Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40
- Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
- Highest common factor = 10
11.Find the highest common factor (HCF) of 19 and 40.
Answer: 1
- Factors of 19: 1, 19
- Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40
- Highest common factor = 1
12.Find the highest common factor (HCF) of 11 and 30.
Answer: 1
- Factors of 11: 1, 11
- Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
- Highest common factor = 1
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