Grade 7 Factors and Multiples Worksheet
This worksheet helps 7th-grade students practice identifying factors, multiples, prime factorization, and greatest common factor (GCF) and least common multiple (LCM).
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Grade 7 Factors and Multiples
Name:
Date:
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Read each question carefully and answer to the best of your ability. Show all your work where space is provided.
1. A is a number that divides another number exactly, without leaving a remainder.
2. A is the result of multiplying a number by an integer.
3. The of two or more numbers is the largest number that divides them all exactly.
4. The of two or more numbers is the smallest positive integer that is divisible by all of them.
1. List all the factors of 24.
2. List all the factors of 36.
1. List the first five multiples of 7.
2. List the first six multiples of 12.
1. Find the prime factorization of 60. You can use a factor tree or division method.
2. Find the prime factorization of 84. You can use a factor tree or division method.
1. Find the GCF of 18 and 24.
2. Find the GCF of 30 and 45.
1. Find the LCM of 8 and 12.
2. Find the LCM of 15 and 20.
1. Which of the following is a factor of 48?
5
8
9
10
2. Which of the following is a multiple of 13?
23
39
40
50
1. All prime numbers have exactly two factors: 1 and themselves.
True
False
2. The number 1 is a prime number.
True
False
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