Greatest Common Divisor (GCD) Worksheet
Practice finding the greatest common divisor of two or more numbers for Grade 5 students.
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Greatest Common Divisor (GCD)
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Read each question carefully and follow the instructions to find the Greatest Common Divisor (GCD).
1. A factor is a number that divides another number evenly, leaving no .
2. The greatest common divisor (GCD) is the number that divides two or more numbers exactly.
1. List all the factors of 12:
2. List all the factors of 18:
3. List all the factors of 24:
1. What is the Greatest Common Divisor (GCD) of 8 and 12?
2
4
8
24
2. The GCD of 10 and 15 is:
1
3
5
10
Find the Greatest Common Divisor (GCD) for each pair of numbers.
1. GCD of 6 and 9:
2. GCD of 14 and 21:
3. GCD of 20 and 30:
1. The GCD of any two prime numbers is always 1.
True
False
2. If one number is a multiple of another, their GCD is the smaller number.
True
False
Sarah has 24 apples and 36 oranges. She wants to divide them into baskets so that each basket has the same number of apples and the same number of oranges. What is the greatest number of baskets she can make?
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