What is a prime number?
Pre-Algebra Review

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Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A prime number has only two factors: 1 and itself.
2.
FLASHCARD QUESTION
Front
What is the smallest prime number?
Back
The smallest prime number is 2.
3.
FLASHCARD QUESTION
Front
What is the prime factorization of 33?
Back
The prime factorization of 33 is 11 x 3.
4.
FLASHCARD QUESTION
Front
What is the smallest odd prime number?
Back
The smallest odd prime number is 3.
5.
FLASHCARD QUESTION
Front
List all the factors of 27.
Back
The factors of 27 are 1, 3, 9, and 27.
6.
FLASHCARD QUESTION
Front
What is a composite number?
Back
A composite number has more than two factors.
7.
FLASHCARD QUESTION
Front
What is the difference between prime and composite numbers?
Back
Prime numbers have exactly two factors, while composite numbers have more than two.
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