Prime and Composite numbers, and Factors

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has exactly two factors: 1 and itself.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a number greater than 1 that has more than two factors.

Tags

CCSS.4.OA.B.4

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.

Tags

CCSS.4.OA.B.4

Front

List all the factors of 12 from least to greatest.

Back

1, 2, 3, 4, 6, 12

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CCSS.4.OA.B.4

Front

True or False: A prime number has only one factor pair.

Back

True

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CCSS.4.OA.B.4

Front

True or False: The number 1 is a prime number.

Back

False

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

What is the largest two-digit prime number?

Back

The largest two-digit prime number is 97.

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CCSS.4.OA.B.4

Front

List all the factors of 20 from least to greatest.

Back

1, 2, 4, 5, 10, 20

Tags

CCSS.4.OA.B.4

Front

How many factors does the number 9 have?

Back

The number 9 has three factors: 1, 3, and 9.

Tags

CCSS.4.OA.B.4