Year 4 Factors, Multiples and Primes Worksheet — Level 3 — Practice Set 4 — Answers
Answer sheet with worked solutions for the Year 4 factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheetYear 4 · Mathematics · Factors, Multiples & PrimesYear 4 Factors, Multiples and Primes Worksheet — Level 3 — Practice Set 4 — Answers
Part A: Factors
1.List all the factors of 35.
Answer: 1, 5, 7, 35
2.List all the factors of 58.
Answer: 1, 2, 29, 58
3.List all the factors of 61.
Answer: 1, 61
4.List all the factors of 73.
Answer: 1, 73
Part B: Multiples
5.Write the first five multiples of 3.
Answer: 3, 6, 9, 12, 15
6.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
7.Write the first five multiples of 8.
Answer: 8, 16, 24, 32, 40
8.Write the first five multiples of 5.
Answer: 5, 10, 15, 20, 25
Part C: HCF and LCM
9.Find the highest common factor (HCF) of 29 and 39.
Answer: 1
- Factors of 29: 1, 29
- Factors of 39: 1, 3, 13, 39
- Highest common factor = 1
10.Find the highest common factor (HCF) of 26 and 11.
Answer: 1
- Factors of 26: 1, 2, 13, 26
- Factors of 11: 1, 11
- Highest common factor = 1
11.Find the highest common factor (HCF) of 30 and 34.
Answer: 2
- Factors of 30: 1, 2, 3, 5, 6, 10, 15, 30
- Factors of 34: 1, 2, 17, 34
- Highest common factor = 2
12.Find the highest common factor (HCF) of 12 and 8.
Answer: 4
- Factors of 12: 1, 2, 3, 4, 6, 12
- Factors of 8: 1, 2, 4, 8
- Highest common factor = 4
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