Identifying Primes And Composite Numbers
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Although you got below the passing score, it’s okay! You can and should retake the quiz to help improve your grade and pass this quiz!
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Good job! You have now mastered primes and composite numbers. Let’s now learn about prime factorization!
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Question 1 of 5
1. Question
13 is a prime number.
CorrectIncorrectHint
Can you find any other positive factors of 13 other than 1 and 13?
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Question 2 of 5
2. Question
87 is a prime number.
CorrectIncorrectHint
Try testing out whether 87 is divisible by other primes. It is best to start with the smallest primes, so start with 2, then 3, and so on!
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Question 3 of 5
3. Question
How many composite factors does a prime number have?
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Question 4 of 5
4. Question
Does a composite number need to have at least one prime factors?
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Question 5 of 5
5. Question
How many prime numbers are there from 1 to 100 inclusive?
CorrectIncorrectHint
Try using the table that was in the lesson to count and guide your thinking!