Year 5 Factors, Multiples and Primes Worksheet — Level 3 — 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 3 — Practice Set 4 — Answers
Part A: Factors
1.List all the factors of 37.
Answer: 1, 37
2.List all the factors of 100.
Answer: 1, 2, 4, 5, 10, 20, 25, 50, 100
3.List all the factors of 23.
Answer: 1, 23
4.List all the factors of 85.
Answer: 1, 5, 17, 85
Part B: Multiples
5.Write the first five multiples of 3.
Answer: 3, 6, 9, 12, 15
6.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
7.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
8.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
Part C: HCF and LCM
9.Find the lowest common multiple (LCM) of 14 and 27.
Answer: 378
- Multiples of 14: 14, 28, 42, 56…
- Multiples of 27: 27, 54, 81, 108…
- Lowest common multiple = 378
10.Find the lowest common multiple (LCM) of 16 and 14.
Answer: 112
- Multiples of 16: 16, 32, 48, 64…
- Multiples of 14: 14, 28, 42, 56…
- Lowest common multiple = 112
11.Find the lowest common multiple (LCM) of 20 and 9.
Answer: 180
- Multiples of 20: 20, 40, 60, 80…
- Multiples of 9: 9, 18, 27, 36…
- Lowest common multiple = 180
12.Find the lowest common multiple (LCM) of 23 and 29.
Answer: 667
- Multiples of 23: 23, 46, 69, 92…
- Multiples of 29: 29, 58, 87, 116…
- Lowest common multiple = 667
Marking tips
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