5th Grade Factors, Multiples and Primes Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the 5th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet5th Grade · Mathematics · Factors, Multiples & Primes5th Grade Factors, Multiples and Primes Worksheet — Level 3 — Answers
Part A: Factors
1.List all the factors of 58.
Answer: 1, 2, 29, 58
2.List all the factors of 52.
Answer: 1, 2, 4, 13, 26, 52
3.List all the factors of 18.
Answer: 1, 2, 3, 6, 9, 18
4.List all the factors of 77.
Answer: 1, 7, 11, 77
Part B: Multiples
5.Write the first five multiples of 5.
Answer: 5, 10, 15, 20, 25
6.Write the first five multiples of 11.
Answer: 11, 22, 33, 44, 55
7.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
8.Write the first five multiples of 12.
Answer: 12, 24, 36, 48, 60
Part C: HCF and LCM
9.Find the lowest common multiple (LCM) of 25 and 9.
Answer: 225
- Multiples of 25: 25, 50, 75, 100…
- Multiples of 9: 9, 18, 27, 36…
- Lowest common multiple = 225
10.Find the lowest common multiple (LCM) of 23 and 38.
Answer: 874
- Multiples of 23: 23, 46, 69, 92…
- Multiples of 38: 38, 76, 114, 152…
- Lowest common multiple = 874
11.Find the highest common factor (HCF) of 32 and 12.
Answer: 4
- Factors of 32: 1, 2, 4, 8, 16, 32
- Factors of 12: 1, 2, 3, 4, 6, 12
- Highest common factor = 4
12.Find the highest common factor (HCF) of 36 and 36.
Answer: 36
- Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
- Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
- Highest common factor = 36
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