4th Grade Factors, Multiples and Primes Worksheet — Level 3 — 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 3 — Answers
Part A: Factors
1.List all the factors of 32.
Answer: 1, 2, 4, 8, 16, 32
2.List all the factors of 14.
Answer: 1, 2, 7, 14
3.List all the factors of 35.
Answer: 1, 5, 7, 35
4.List all the factors of 91.
Answer: 1, 7, 13, 91
Part B: Multiples
5.Write the first five multiples of 6.
Answer: 6, 12, 18, 24, 30
6.Write the first five multiples of 4.
Answer: 4, 8, 12, 16, 20
7.Write the first five multiples of 3.
Answer: 3, 6, 9, 12, 15
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 40 and 6.
Answer: 120
- Multiples of 40: 40, 80, 120, 160…
- Multiples of 6: 6, 12, 18, 24…
- Lowest common multiple = 120
10.Find the lowest common multiple (LCM) of 27 and 26.
Answer: 702
- Multiples of 27: 27, 54, 81, 108…
- Multiples of 26: 26, 52, 78, 104…
- Lowest common multiple = 702
11.Find the lowest common multiple (LCM) of 25 and 22.
Answer: 550
- Multiples of 25: 25, 50, 75, 100…
- Multiples of 22: 22, 44, 66, 88…
- Lowest common multiple = 550
12.Find the highest common factor (HCF) of 20 and 40.
Answer: 20
- Factors of 20: 1, 2, 4, 5, 10, 20
- Factors of 40: 1, 2, 4, 5, 8, 10, 20, 40
- Highest common factor = 20
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