Prime/Composite 11/19

Front

What is a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

Tags

CCSS.4.OA.B.4

Front

How many prime numbers are there between 1 and 10?

Back

There are four prime numbers: 2, 3, 5, and 7.

Tags

CCSS.4.OA.B.4

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

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CCSS.4.OA.B.4

Front

Is the number 1 considered prime or composite?

Back

The number 1 is neither prime nor composite.

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CCSS.4.OA.B.4

Front

What are the factors of a number?

Back

Factors are numbers that can be multiplied together to get another number.

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CCSS.4.OA.B.4

Front

List all prime numbers between 30 and 50.

Back

The prime numbers between 30 and 50 are 31, 37, 41, 43, and 47.

Tags

CCSS.4.OA.B.4

Front

Is 49 a prime or composite number?

Back

49 is a composite number because it has factors other than 1 and itself (specifically, 7 x 7).

Tags

CCSS.4.OA.B.4

Front

What is the definition of a natural number?

Back

A natural number is a positive integer, typically starting from 1.

Front

What is the difference between prime and composite numbers?

Back

Prime numbers have exactly two distinct positive divisors (1 and the number itself), while composite numbers have more than two.

Tags

CCSS.4.OA.B.4