Prime Numbers Question

How is first prime number?

• 1
• 2
• 3
• 5

Only even prime number?

• 0
• 2
• 4
• 6

In mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form M_n =2ⁿ − 1 for some integer n.
Where are Mersenne from?

• Germany
• Espanol
• French
• England

How is first odd prime number?

• 7
• 5
• 3
• 1

Prime numbers are infinite?

• Yes
• No
• Maybe
• Impossible

Complete the missing prime numbers: 1, 3, 5, 7, 11, 13

• 17, 19
• 15,17,19
• 18, 19
• 17, 19, 20

Why is 1 neither prime or composite?

• It only has one factor
• It has three factors
• It isn't a number
• It is too close to 2

What is a prime number?

• A number with 1 factor
• A number with 2 factors
• A number with 3 factors
• 2 factors (1 and itself)

14, 49, and 28 are all multiples of what number?

• 2
• 7
• 4
• 5

Find the greatest common factor of 26 and 30

• 2
• 3
• 4
• 8