Test – Prime Numbers – 2

Determine whether 53 is a prime number. Show your workings.

Is 121 a prime number? Prove your answer.

Determine if 89 is a prime number. Show your method.

Is 143 a prime number? Provide your reasoning.

Investigate whether 211 is a prime number. Show your process.

Determine if 57 is a prime number. Show your workings.

Is 173 a prime number? Justify your answer.

Check whether 221 is a prime number. Show your method.

Is 101 a prime number? Provide your reasoning.

Determine whether 289 is a prime number. Show your process.