4th Grade Factors, Multiples and Primes Worksheet — Level 2 — Practice Set 4 — Answers
Answer sheet with worked solutions for the 4th Grade factors, multiples & primes worksheet.
Success TutoringWorksheetsAnswer sheet4th Grade · Mathematics · Factors, Multiples & Primes4th Grade Factors, Multiples and Primes Worksheet — Level 2 — Practice Set 4 — Answers
Part A: Factors
1.List all the factors of 94.
Answer: 1, 2, 47, 94
2.List all the factors of 39.
Answer: 1, 3, 13, 39
3.List all the factors of 38.
Answer: 1, 2, 19, 38
4.List all the factors of 60.
Answer: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
Part B: Multiples
5.Write the first five multiples of 10.
Answer: 10, 20, 30, 40, 50
6.Write the first five multiples of 9.
Answer: 9, 18, 27, 36, 45
7.Write the first five multiples of 11.
Answer: 11, 22, 33, 44, 55
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 27 and 9.
Answer: 27
- Multiples of 27: 27, 54, 81, 108…
- Multiples of 9: 9, 18, 27, 36…
- Lowest common multiple = 27
10.Find the highest common factor (HCF) of 29 and 20.
Answer: 1
- Factors of 29: 1, 29
- Factors of 20: 1, 2, 4, 5, 10, 20
- Highest common factor = 1
11.Find the lowest common multiple (LCM) of 39 and 11.
Answer: 429
- Multiples of 39: 39, 78, 117, 156…
- Multiples of 11: 11, 22, 33, 44…
- Lowest common multiple = 429
12.Find the lowest common multiple (LCM) of 39 and 27.
Answer: 351
- Multiples of 39: 39, 78, 117, 156…
- Multiples of 27: 27, 54, 81, 108…
- Lowest common multiple = 351
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