6th Grade Factors, Multiples and Primes Worksheet — Level 3 — Practice Set 3 — Answers
Answer sheet with worked solutions for the 6th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet6th Grade · Mathematics · Factors, Multiples & Primes6th Grade Factors, Multiples and Primes Worksheet — Level 3 — Practice Set 3 — Answers
Part A: Factors
1.List all the factors of 94.
Answer: 1, 2, 47, 94
2.List all the factors of 85.
Answer: 1, 5, 17, 85
3.List all the factors of 61.
Answer: 1, 61
4.List all the factors of 80.
Answer: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Part B: Multiples
5.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
6.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
7.Write the first five multiples of 8.
Answer: 8, 16, 24, 32, 40
8.Write the first five multiples of 10.
Answer: 10, 20, 30, 40, 50
Part C: HCF and LCM
9.Find the highest common factor (HCF) of 17 and 37.
Answer: 1
- Factors of 17: 1, 17
- Factors of 37: 1, 37
- Highest common factor = 1
10.Find the highest common factor (HCF) of 34 and 18.
Answer: 2
- Factors of 34: 1, 2, 17, 34
- Factors of 18: 1, 2, 3, 6, 9, 18
- Highest common factor = 2
11.Find the lowest common multiple (LCM) of 38 and 18.
Answer: 342
- Multiples of 38: 38, 76, 114, 152…
- Multiples of 18: 18, 36, 54, 72…
- Lowest common multiple = 342
12.Find the highest common factor (HCF) of 25 and 20.
Answer: 5
- Factors of 25: 1, 5, 25
- Factors of 20: 1, 2, 4, 5, 10, 20
- Highest common factor = 5
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