answersLogoWhite

0

The square root of 53 is between 7 and 8. If 53 was composite, half of its factors would be less than its square root. By the rules of divisibility, we know that 53 is not divisible, by 2, 3, 4, 5, 6 or 7. It has to be prime.

User Avatar

Wiki User

10y ago

Still curious? Ask our experts.

Chat with our AI personalities

BeauBeau
You're doing better than you think!
Chat with Beau
SteveSteve
Knowledge is a journey, you know? We'll get there.
Chat with Steve
BlakeBlake
As your older brother, I've been where you are—maybe not exactly, but close enough.
Chat with Blake

Add your answer:

Earn +20 pts
Q: How can you tell if 53 is a prime number?
Write your answer...
Submit
Still have questions?
magnify glass
imp