Understanding Prime Numbers

What is a defining characteristic of a prime number?

• It is less than one.

• It has more than two factors.

• It has exactly two factors.

• It is an even number.

Why do periodic cicadas emerge in cycles of 13 or 17 years?

• Because they are even numbers.

• Due to random evolutionary changes.

• To avoid coinciding with predator cycles.

• To match the cycle of their predators.

How often would a 17-year cicada coincide with a 5-year predator cycle?

• Every 5 years

• Every 17 years

• Every 85 years

• Every 10 years

Why is it beneficial to use a prime number of blades in gas turbines?

• To reduce the overall vibrations.

• To enhance the overall vibrations.

• To increase the speed of rotation.

• To match the speed of rotation.

In what field is RSA encryption, which uses prime numbers, commonly used?

• In secure data transfer

• In weather forecasting

• In agricultural planning

• In cooking recipes