answersLogoWhite

0

Which number is a factor of 21 an also a prime number?

User Avatar

Anonymous

∙ 10y ago
Updated: 8/21/2019

They are: 3 and 7

User Avatar

Wiki User

∙ 10y ago
Copy

What else can I help you with?

Related Questions

Is 21 a factor of a prime number?

No. The only factors of a prime number are 1 and itself. The only way that 21 could be a factor of a prime number is if it were a prime number, but it is not because 21 is also divisible by 3 and 7.


Which number is a factor of 21 and also a prime number?

3 and 7


What is a prime number for 12 and 21?

3 is a prime factor of 12 and of 21.


What number is it has 90 as a factor thre number is prime 21 is the multiple of the number?

If 21 is a multiple of the number, the number cannot have 90 as a factor.


What is the composite number between 20 and 50 whose prime factor is 21?

21 is not a prime factor, it is 3 x 7


What number is a factor of 21 and a prime number?

21 = 3 x 7 both 3 and 7 are prime numbers


What prime number is a factor of 21?

3 and 7


What prime number is a factor of 12 and 21?

3


What number is a prime factor of both 12 and 21?

'3' 3 x 4 = 12 3 x 7 = 21 NB '7' is also a prime number.


What number is a factor of 70 is a prime number and 21 is a multiple?

7


What are the prime of factors of 21?

prime factor = prime number which can be divided into the given number with no remainder The prime factors of 21 are 3 and 7.


What is the factor tree of 21?

3x7=21 3 and 7 are prime numbers, so 3x7 is the factor tree of the number 21.

Trending Questions
What are the release dates for Don't Tell the Bride - 2011 Cary and Aileen 1-5? What is the meaning of 'ephemeral'? How long does Twinkies stay in your stomach? How do you say burgundy in spanish? How tall is Ken Stott? What is the name of two large scale forms of active transport? What were puritan's beliefs against women? What kind of gasiline will give a car better mileage? Does every apartment unit in an apartment building have the same postal code? Do you need to have at least two chickens or can 1 be happy alone? How much oil do you put in a 2004 Pontiac sunfire? What is the least common multiple of 30 and 60? What pollinates bamboo? Is Intensive Grazing more effective than Continuous Grazing? How big is Unicron in G1 Transformers? Does your boyfriend not want you anymore if he tells you he does not like holding hands etc and this just happened within the last 2 weeks? What do you say after someone says boo to you? How do you say detective in Chinese? How many 18x18 square feet ceramic tiles it takes to cover 247 square feet? Who was jack Bauer boss in the second season?

Resources

Leaderboard All Tags Unanswered

Top Categories

Algebra Chemistry Biology World History English Language Arts Psychology Computer Science Economics

Product

Community Guidelines Honor Code Flashcard Maker Study Guides Math Solver FAQ

Company

About Us Contact Us Terms of Service Privacy Policy Disclaimer Cookie Policy IP Issues
Answers Logo
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.