Year 5 Factors, Multiples and Primes Worksheet — Level 2 — Practice Set 4 — 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 4 — Answers
Part A: Factors
1.List all the factors of 60.
Answer: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
2.List all the factors of 82.
Answer: 1, 2, 41, 82
3.List all the factors of 61.
Answer: 1, 61
4.List all the factors of 53.
Answer: 1, 53
Part B: Multiples
5.Write the first five multiples of 12.
Answer: 12, 24, 36, 48, 60
6.Write the first five multiples of 3.
Answer: 3, 6, 9, 12, 15
7.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
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 23 and 37.
Answer: 851
- Multiples of 23: 23, 46, 69, 92…
- Multiples of 37: 37, 74, 111, 148…
- Lowest common multiple = 851
10.Find the highest common factor (HCF) of 15 and 6.
Answer: 3
- Factors of 15: 1, 3, 5, 15
- Factors of 6: 1, 2, 3, 6
- Highest common factor = 3
11.Find the highest common factor (HCF) of 35 and 34.
Answer: 1
- Factors of 35: 1, 5, 7, 35
- Factors of 34: 1, 2, 17, 34
- Highest common factor = 1
12.Find the highest common factor (HCF) of 16 and 33.
Answer: 1
- Factors of 16: 1, 2, 4, 8, 16
- Factors of 33: 1, 3, 11, 33
- Highest common factor = 1
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