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5.4A Prime and Composite Numbers

Quiz by Wendy Tamney

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Q 1/3
Score 0
Which of the following is NOT a composite number?
29
76
39
2
15

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3 questions

Show answers

Q1
Which of the following is NOT a composite number?
76
39
2
15
60s
Q2
The factor tree for the number 45 is shown. According to the factor tree, which of the following statements is NOT true?
The number 5 is a composite number.
The number 3 is a prime number.
3 and 5 are the prime factors of 45.
9 and 45 are not prime numbers.
60s
Q3
Yani uses blocks to show the difference between prime and composite numbers. The diagrams below represent some of Yani's models. Which of the models represent prime numbers?
7 and 11
8, 9, and 10
7, 9, and 11
8 and 10
60s

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