Year 6 Factors, Multiples and Primes Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 6 factors, multiples & primes worksheet.
Year 6 Factors, Multiples and Primes Worksheet — Level 2 — Answers
Part A: Factors
1.List all the factors of 49.
Answer: 1, 7, 49
2.List all the factors of 22.
Answer: 1, 2, 11, 22
3.List all the factors of 18.
Answer: 1, 2, 3, 6, 9, 18
4.List all the factors of 52.
Answer: 1, 2, 4, 13, 26, 52
Part B: Multiples
5.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
6.Write the first five multiples of 12.
Answer: 12, 24, 36, 48, 60
7.Write the first five multiples of 7.
Answer: 7, 14, 21, 28, 35
8.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
Part C: HCF and LCM
9.Find the highest common factor (HCF) of 39 and 16.
Answer: 1
- Factors of 39: 1, 3, 13, 39
- Factors of 16: 1, 2, 4, 8, 16
- Highest common factor = 1
10.Find the highest common factor (HCF) of 37 and 28.
Answer: 1
- Factors of 37: 1, 37
- Factors of 28: 1, 2, 4, 7, 14, 28
- Highest common factor = 1
11.Find the lowest common multiple (LCM) of 11 and 21.
Answer: 231
- Multiples of 11: 11, 22, 33, 44…
- Multiples of 21: 21, 42, 63, 84…
- Lowest common multiple = 231
12.Find the lowest common multiple (LCM) of 11 and 6.
Answer: 66
- Multiples of 11: 11, 22, 33, 44…
- Multiples of 6: 6, 12, 18, 24…
- Lowest common multiple = 66
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.