0
Still curious? Ask our experts.
Chat with our AI personalities
RossEvery question is just a happy little opportunity.
Chat with Ross
BlakeAs your older brother, I've been where you are—maybe not exactly, but close enough.
Chat with Blake
FranI've made my fair share of mistakes, and if I can help you avoid a few, I'd sure like to try.
Chat with FranAdd your answer:
Earn +20 ptsQ: Explain why 15 not a prime number?
Write your answer...
Submit
Still have questions?
Continue Learning about Math & Arithmetic
Is 15 a prime number of 45?
15 is a factor of 45, but it is not a prime number.
Explain what a prime number is?
A prime number has no factors except itself and 1.
Is 2 and 15 prime or composite?
2 is a prime number and 15 is a composite number.
Explain why 8 is a prime number?
8 is NOT a prime number. It is divisible by 2, for example.
The number 3 and 5 are prime what of the the number 15?
3 and 5 are Prime Factors of 15 (3x5=15).
Trending Questions
How many m2 is 8'2?
What is tenth of one pound?
How many faces edges and vertices does 2 cubes have?
What s full form of IQ?
Why are there different sizes and shapesof shadows?
Another word for reducing to the lowest term?
Why is the surface area of a box important to the delivery company?
What is the cube root of c if c equals 64?
What is the greatest three digit whole number that is a product of 8 and a whole number?
How many hours are in 43200seconds?
Do motto's need quotation marks?
Why gravitational constant?
What is 0.52 rounded to the nearest one?
How many rads is 31 roentgens?
How many crop circles are there?
If the circumference is 25 inches what is the diameter?
Is it true or false an expression is a math statement without numbers and symbols?
What is 45 percent as a simplified fraction?
What is a synonym for novice?
3 inches is what part of a yard?
Copyright ©2025 Infospace Holdings LLC, A System1 Company. All Rights Reserved. The material on this site can not be reproduced, distributed, transmitted, cached or otherwise used, except with prior written permission of Answers.