answersLogoWhite

0


Best Answer

Yes. One of the reasons are that if you Google it, they say it's a composite #. Second, a Prime number has 2 factors: 1 and itself. But 81 has 5 factors:1, 3, 9, 27, and 81.
81 is a composite number 3 * 3 * 3 * 3 = 81

User Avatar

Wiki User

7y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

10y ago

Yes.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Is 81 a composite number
Write your answer...
Submit
Still have questions?
magnify glass
imp