answersLogoWhite

0

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

User Avatar

Anonymous

∙ 11y ago
Updated: 8/21/2019

They are: 3 and 7

User Avatar

Wiki User

∙ 11y 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 to do if oncoming car swerves into your lane? How Far is Atlanta GA from Richmond Virginia Driving? 8.1 > 8.06? Dialectal omission is indicated by using what? Why did the ford company have to be shut down? Is there a anti gravity button in a spaceship? Is a 75 a c? Which is legal operation of a vessel on Illinois waters? How can an image be traced in corel? What is the difference between speech and sound? Is non disjunction the only cause of down syndrome? What is Canada's smallest forest region? In runescape do you lose your items in bounty hunter? Where is the solenoid switch on a dodge caravan transmission? When did Livingstone Inland Mission end? What year was the byzantine empire founded? What is the tenth column in 79.8? How did deviled eggs get their name? How many capsules in one bottle? Is there any evidence of a document that can be use that Hammurabi code was just?

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 ©2026 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.