Tags Prime Numbers

Animals & Plants Arts & Entertainment Auto Beauty & Health Books and Literature Business Electronics Engineering & Technology Food & Drink History Hobbies Jobs & Education Law & Government Math People & Society Science Social Studies Sports Travel & Places

0

Subjects>Math>Basic Math

Why is 15 not a prime number?

Anonymous

∙ 14y ago

Updated: 2/4/2024

15 is not a Prime number because it is not only divisible by 1 and itself it is also divisible by 3.

Wiki User

∙ 14y ago

Still curious? Ask our experts.

Chat with our AI personalities

Devin

I've poured enough drinks to know that people don't always want advice—they just want to talk.

Chat with Devin

Professor

I will give you the most educated answer.

Chat with Professor

Maxine

I respect you enough to keep it real.

Chat with Maxine

Add your answer:

Earn +20 pts

Q: Why is 15 not a prime number?

Write your answer...

Submit

Still have questions?

imp

Continue Learning about Basic Math

Prime number x prime number 15?

3*5 = 15 in prime numbers

Is 15 a prime number?

No, it's a composite number.15 is NOT a prime number.

Which is a composite number 15 or 11?

15 is a composite number. 11 is a prime number.

What is the prime factorization of the number 15?

The prime factorization of 15 is 3 x 5.

What number is relativly prime to 242?

15 is relatively prime.

Trending Questions

What is 0.084 written as a percentage? What are the factors of 21 36 and 60? What fraction in its lowest term is equal to 0.04? What is the percentage of 7 out of 24? What are the prime factors of 336? What is the LCM of 9 and 27 and 135? 23.75 percent into a fraction? 16 over 9 as a mixed number? How many feet is 0.3 square meters? Write a C program to find the sum of all prime numbers? What is the fraction of 95 percent in lowest terms? Draw a venn diagram to show the common factors of 36 and 54? How do you write 9.6 as a mixed number? How do you get Madara NTSD 2.4? Does a negitive number plus a negitive number equal a negitive? How do you check lcm answer? What percent of 7000 is 42? What does lack end gtd mean? Decrease 800 by 15 percent? How do you write 0.086 as a percentage?

Related Questions

Prime number x prime number 15?

3*5 = 15 in prime numbers

Is 15 a prime number of 45?

15 is a factor of 45, but it is not a prime number.

Is 2 and 15 prime or composite?

2 is a prime number and 15 is a composite number.

The number 3 and 5 are prime what of the the number 15?

3 and 5 are Prime Factors of 15 (3x5=15).

Are numbers 15 and 17 a prime number?

Number 17 is but 15 isn't as 5x3 isn't a prime number

Is 5 and 15 prime numbers?

5 is but 15 is not a prime number

Which is not a prime number 13 15 17 19?

3 x 5 = 15, so 15 is not a prime number.

Is 15 a prime number?

No, it's a composite number.15 is NOT a prime number.

What numbers are prime of the number 15?

The prime factors of 15 are: 3, 5

Why isn't 15 a prime number?

A number is prime if it has only 1 and itself as factors. For example, 7 is a prime number because it has only 1 and 7 as factors. 15 isn't a prime number because it has 1, 3, 5, and 15 as factors.

Which is a composite number 15 or 11?

15 is a composite number. 11 is a prime number.

Which number is a prime number 35 11 45 15?

11 is prime.

Resources

Top Categories

Product

Company

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.