Exploring Prime Numbers and Their Properties

Why are prime numbers considered important in the field of cryptography?

• They form the basis of many encryption methods.

• They are the largest numbers known.

• They are easy to find and use.

• They are used to create complex algorithms.

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CCSS.6.EE.A.1

What is the definition of a prime number?

• A number divisible by itself and zero.

• A number divisible by any two numbers.

• A number divisible by three or more numbers.

• A number divisible by exactly two natural numbers.

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CCSS.4.OA.B.4

Why is the number 1 not considered a prime number?

• It is divisible by more than two numbers.

• It is an even number.

• It is not a natural number.

• It is divisible by only one natural number.

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CCSS.4.OA.B.4

Which of the following numbers is prime?

• 7

• 6

• 8

• 4

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CCSS.4.OA.B.4

Why is the number 2 unique among prime numbers?

• It is the smallest prime number.

• It is the largest prime number.

• It is the only even prime number.

• It is divisible by three numbers.

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CCSS.4.OA.B.4

Which of the following is NOT a prime number?

• 3

• 5

• 7

• 6

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CCSS.4.OA.B.4

How can prime numbers be compared to atoms?

• They are the smallest units of matter.

• They can be divided into smaller parts.

• They are the building blocks of numbers.

• They create nuclear explosions.

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CCSS.4.OA.B.4

What is the prime factorization of the number 6?

• 2 x 3

• 3 x 3

• 2 x 2

• 1 x 6

Which of the following numbers is prime?

• 17

• 20

• 18

• 16

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CCSS.4.OA.B.4

Why is the number 51 not a prime number?

• It is divisible by 3 and 17.

• It is divisible by 1 and 51 only.

• It is an even number.

• It is a multiple of 5.

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CCSS.4.OA.B.4