answersLogoWhite

0


Best Answer

Because fifteen is a compound number. That is it is a multiple of 5 & 3 .

User Avatar

lenpollock

Lvl 16
1y ago

Still curious? Ask our experts.

Chat with our AI personalities

DevinDevin
I've poured enough drinks to know that people don't always want advice—they just want to talk.
Chat with Devin
BlakeBlake
As your older brother, I've been where you are—maybe not exactly, but close enough.
Chat with Blake
RossRoss
Every question is just a happy little opportunity.
Chat with Ross
More answers
User Avatar

Wiki User

15y ago

Becouse 15 can be divided by 5 and by 3

User Avatar

Add your answer:

Earn +20 pts
Q: Why is fifteen not a prime number?
Write your answer...
Submit
Still have questions?
magnify glass
imp