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Questions and Answers
Which of the following is a prime number?
Which of the following is a prime number?
- 15
- 18
- 11 (correct)
- 12
What is the first prime number?
What is the first prime number?
- 3
- 4
- 5
- 2 (correct)
Which of the following numbers is composite?
Which of the following numbers is composite?
- 21 (correct)
- 29
- 31
- 23
What are the factors of 24?
What are the factors of 24?
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What is a factor tree used for?
What is a factor tree used for?
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What method did Eratosthenes devise to predict where primes might be?
What method did Eratosthenes devise to predict where primes might be?
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What did Fibonacci publish in Liber Abaci in 1202?
What did Fibonacci publish in Liber Abaci in 1202?
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What is Fermat's Little Theorem used for?
What is Fermat's Little Theorem used for?
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What is the main purpose of primality tests?
What is the main purpose of primality tests?
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What are some quick criteria that can be used to rule out composite numbers?
What are some quick criteria that can be used to rule out composite numbers?
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