5th Grade Factors, Multiples and Primes Worksheet — Level 3 — Practice Set 2 — 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 — Practice Set 2 — Answers
Part A: Factors
1.List all the factors of 85.
Answer: 1, 5, 17, 85
2.List all the factors of 52.
Answer: 1, 2, 4, 13, 26, 52
3.List all the factors of 12.
Answer: 1, 2, 3, 4, 6, 12
4.List all the factors of 16.
Answer: 1, 2, 4, 8, 16
Part B: Multiples
5.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
6.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
7.Write the first five multiples of 7.
Answer: 7, 14, 21, 28, 35
8.Write the first five multiples of 5.
Answer: 5, 10, 15, 20, 25
Part C: HCF and LCM
9.Find the lowest common multiple (LCM) of 16 and 36.
Answer: 144
- Multiples of 16: 16, 32, 48, 64…
- Multiples of 36: 36, 72, 108, 144…
- Lowest common multiple = 144
10.Find the highest common factor (HCF) of 36 and 34.
Answer: 2
- Factors of 36: 1, 2, 3, 4, 6, 9, 12, 18, 36
- Factors of 34: 1, 2, 17, 34
- Highest common factor = 2
11.Find the highest common factor (HCF) of 9 and 37.
Answer: 1
- Factors of 9: 1, 3, 9
- Factors of 37: 1, 37
- Highest common factor = 1
12.Find the lowest common multiple (LCM) of 19 and 27.
Answer: 513
- Multiples of 19: 19, 38, 57, 76…
- Multiples of 27: 27, 54, 81, 108…
- Lowest common multiple = 513
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