High School

We appreciate your visit to Explain why 221 and 391 cannot be prime numbers. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!

Explain why 221 and 391 cannot be prime numbers.

Answer :

for a number to be a prime number, it should have only 2 factors (divisible by): 1 and itself.

221 can be divided by 1, 13, 17, and itself so it’s not a prime number

same with 391, it’s not a prime number because it’s divisible by 1, 17, 23, 391

Thanks for taking the time to read Explain why 221 and 391 cannot be prime numbers. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

Rewritten by : Barada