answersLogoWhite

0

A number is prime if it only has two distinct factors.

User Avatar

Wiki User

8y ago

Still curious? Ask our experts.

Chat with our AI personalities

FranFran
I've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with Fran
BlakeBlake
As your older brother, I've been where you are—maybe not exactly, but close enough.
Chat with Blake
LaoLao
The path is yours to walk; I am only here to hold up a mirror.
Chat with Lao
More answers

You have to check the number for divisibility by each prime up to its square root.

User Avatar

Wiki User

8y ago
User Avatar

Add your answer:

Earn +20 pts
Q: How can you tell whether za number is prime?
Write your answer...
Submit
Still have questions?
magnify glass
imp