answersLogoWhite

0


Best Answer

It is 81, because it has more than two factors (although they are all 3's). The other numbers are prime, because their only factors are 1 and themselves.

User Avatar

Wiki User

8y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Which number is composite 41 47 31 53 81?
Write your answer...
Submit
Still have questions?
magnify glass
imp