Year 5 Factors, Multiples and Primes Worksheet — Level 3 — 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 3 — Answers
Part A: Factors
1.List all the factors of 95.
Answer: 1, 5, 19, 95
2.List all the factors of 73.
Answer: 1, 73
3.List all the factors of 87.
Answer: 1, 3, 29, 87
4.List all the factors of 50.
Answer: 1, 2, 5, 10, 25, 50
Part B: Multiples
5.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
6.Write the first five multiples of 12.
Answer: 12, 24, 36, 48, 60
7.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
8.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
Part C: HCF and LCM
9.Find the highest common factor (HCF) of 33 and 9.
Answer: 3
- Factors of 33: 1, 3, 11, 33
- Factors of 9: 1, 3, 9
- Highest common factor = 3
10.Find the highest common factor (HCF) of 23 and 33.
Answer: 1
- Factors of 23: 1, 23
- Factors of 33: 1, 3, 11, 33
- Highest common factor = 1
11.Find the highest common factor (HCF) of 17 and 21.
Answer: 1
- Factors of 17: 1, 17
- Factors of 21: 1, 3, 7, 21
- Highest common factor = 1
12.Find the highest common factor (HCF) of 39 and 26.
Answer: 13
- Factors of 39: 1, 3, 13, 39
- Factors of 26: 1, 2, 13, 26
- Highest common factor = 13
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