6th Grade Factors, Multiples and Primes Worksheet — Level 3 — Practice Set 4 — 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 4 — Answers
Part A: Factors
1.List all the factors of 65.
Answer: 1, 5, 13, 65
2.List all the factors of 38.
Answer: 1, 2, 19, 38
3.List all the factors of 73.
Answer: 1, 73
4.List all the factors of 89.
Answer: 1, 89
Part B: Multiples
5.Write the first five multiples of 5.
Answer: 5, 10, 15, 20, 25
6.Write the first five multiples of 7.
Answer: 7, 14, 21, 28, 35
7.Write the first five multiples of 12.
Answer: 12, 24, 36, 48, 60
8.Write the first five multiples of 11.
Answer: 11, 22, 33, 44, 55
Part C: HCF and LCM
9.Find the lowest common multiple (LCM) of 24 and 31.
Answer: 744
- Multiples of 24: 24, 48, 72, 96…
- Multiples of 31: 31, 62, 93, 124…
- Lowest common multiple = 744
10.Find the highest common factor (HCF) of 33 and 18.
Answer: 3
- Factors of 33: 1, 3, 11, 33
- Factors of 18: 1, 2, 3, 6, 9, 18
- Highest common factor = 3
11.Find the highest common factor (HCF) of 25 and 10.
Answer: 5
- Factors of 25: 1, 5, 25
- Factors of 10: 1, 2, 5, 10
- Highest common factor = 5
12.Find the highest common factor (HCF) of 11 and 39.
Answer: 1
- Factors of 11: 1, 11
- Factors of 39: 1, 3, 13, 39
- Highest common factor = 1
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