2.4 Find Multiples and Factors
Listing multiples, divisibility tests for 2, 3, 5, 6, and 10, finding every factor of a number, and separating primes from composites.
49 exercises
2.4 Exercise 1
Before you get started, take this readiness quiz.
Which of the following numbers are counting numbers (natural numbers)?
If you missed this problem, review the reference.
2.4 Exercise 2
Find the sum of and
If you missed the problem, review the reference.
2.4 Exercise 3
Determine whether each of the following is a multiple of
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2.4 Exercise 4
Determine whether each number is a multiple of
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2.4 Exercise 5
Determine whether each number is a multiple of
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2.4 Exercise 6
Determine whether each of the following is a multiple of
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2.4 Exercise 7
Determine whether each number is a multiple of
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2.4 Exercise 8
Determine whether each number is a multiple of
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2.4 Exercise 9
Determine whether each of the following is a multiple of
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2.4 Exercise 10
Determine whether each number is a multiple of
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2.4 Exercise 11
Determine whether each number is a multiple of
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2.4 Exercise 12
Determine whether each of the given numbers is a multiple of
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2.4 Exercise 13
Determine whether each number is a multiple of
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2.4 Exercise 14
Determine whether each number is a multiple of
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2.4 Exercise 15
Determine whether is divisible by
2.4 Exercise 16
Determine whether the given number is divisible by
2.4 Exercise 17
Determine whether the given number is divisible by
2.4 Exercise 18
Determine whether is divisible by
2.4 Exercise 19
Determine whether the given number is divisible
2.4 Exercise 20
Determine whether the given number is divisible
2.4 Exercise 22
Find all the factors of the given number:
2.4 Exercise 23
Find all the factors of the given number:
2.4 Exercise 24
Identify each number as prime or composite:
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2.4 Exercise 25
Identify the number as prime or composite:
2.4 Exercise 26
Identify the number as prime or composite:
2.4 Exercise 27
List all the multiples less than for the given number.
2.4 Exercise 29
List all the multiples less than for the given number.
2.4 Exercise 31
List all the multiples less than for the given number.
2.4 Exercise 33
List all the multiples less than for the given number.
2.4 Exercise 35
List all the multiples less than for the given number.
2.4 Exercise 37
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 39
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 41
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 43
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 45
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 47
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 49
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 51
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 53
Use the divisibility tests to determine whether each number is divisible by
2.4 Exercise 55
Find all the factors of the given number.
2.4 Exercise 57
Find all the factors of the given number.
2.4 Exercise 59
Find all the factors of the given number.
2.4 Exercise 61
Find all the factors of the given number.
2.4 Exercise 63
Determine if the given number is prime or composite.
2.4 Exercise 65
Determine if the given number is prime or composite.
2.4 Exercise 67
Determine if the given number is prime or composite.
2.4 Exercise 69
Determine if the given number is prime or composite.
2.4 Exercise 71
Determine if the given number is prime or composite.
2.4 Exercise 73
Determine if the given number is prime or composite.
Adapted from Prealgebra 2e © 2020 Rice University. Licensed under CC BY 4.0. Source: Prealgebra 2e. Imported at revision 77a933c.