Understanding Prime Numbers

What is a prime number?

• A number with only one factor

• A number with exactly two distinct factors

• A number with more than two factors

• A number that is even

Why are prime numbers significant in computing?

• They are used to measure distances

• They help in solving algebraic equations

• They are used to calculate taxes

• They are used in encryption to secure data

Which of the following numbers is a prime number?

• 9

• 15

• 11

• 21

What is the Sieve of Eratosthenes used for?

• To find the greatest common divisor

• To identify prime numbers

• To solve quadratic equations

• To calculate the area of a circle

How do computers contribute to the study of prime numbers?

• They can quickly find large prime numbers

• They can solve all mathematical problems

• They are not used in finding prime numbers

• They can only find small prime numbers