What is a prime number?
7.2 Prime and Composite Numbers

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•
Mathematics
•
5th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.
2.
FLASHCARD QUESTION
Front
What is a composite number?
Back
A composite number is a natural number greater than 1 that has more than two positive divisors.
3.
FLASHCARD QUESTION
Front
Is the number 1 a prime number?
Back
No, the number 1 is neither prime nor composite.
4.
FLASHCARD QUESTION
Front
What is the smallest prime number?
Back
The smallest prime number is 2.
5.
FLASHCARD QUESTION
Front
What is the only even prime number?
Back
The only even prime number is 2.
6.
FLASHCARD QUESTION
Front
Can a number be both prime and composite?
Back
No, a number cannot be both prime and composite.
7.
FLASHCARD QUESTION
Front
What is the sum of two prime numbers and one composite number if the sum is 45?
Back
The numbers could be 13, 17 (prime), and 15 (composite).
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