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 59.
Answer: 1, 59
2.List all the factors of 51.
Answer: 1, 3, 17, 51
3.List all the factors of 34.
Answer: 1, 2, 17, 34
4.List all the factors of 86.
Answer: 1, 2, 43, 86
Part B: Multiples
5.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
6.Write the first five multiples of 8.
Answer: 8, 16, 24, 32, 40
7.Write the first five multiples of 11.
Answer: 11, 22, 33, 44, 55
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 6 and 36.
Answer: 36
- Multiples of 6: 6, 12, 18, 24…
- Multiples of 36: 36, 72, 108, 144…
- Lowest common multiple = 36
10.Find the lowest common multiple (LCM) of 35 and 29.
Answer: 1015
- Multiples of 35: 35, 70, 105, 140…
- Multiples of 29: 29, 58, 87, 116…
- Lowest common multiple = 1015
11.Find the highest common factor (HCF) of 9 and 15.
Answer: 3
- Factors of 9: 1, 3, 9
- Factors of 15: 1, 3, 5, 15
- Highest common factor = 3
12.Find the lowest common multiple (LCM) of 23 and 26.
Answer: 598
- Multiples of 23: 23, 46, 69, 92…
- Multiples of 26: 26, 52, 78, 104…
- Lowest common multiple = 598
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