answersLogoWhite

0

What number is a prime number 91 51 31 21?

User Avatar

Anonymous

∙ 9y ago
Updated: 8/21/2019

31 is the only one that has only two factors: 1 and itself. It is the Prime number.

User Avatar

Wiki User

∙ 11y ago
Copy

What else can I help you with?

Related Questions

Which of 21 31 51 and 91 is a prime number?

31 is a prime number.


Which number is a prime 91 51 31 or 21?

31


Which is a prime number 91 51 31 21?

31


Which number is prime 91 51 31 21?

31


Which is not a prime number 17 23 31 or 51?

51 is not a prime number: 3x17=51


Which number is prime out of 91 51 31 21?

21 is divisible by 3 and 7, so it is composite. 91 is divisible by 7 and 13, so it is composite. 51 is divisible by 3 and 17. 31 is divisible by only 1 and itself, so it is the prime number.


What is a prime number 17 23 31 51?

51 is composite number


Which number is a prime number a.91 b.51 c.31 d. 21?

91 = 13*751 = 17*321 = 3*731 is prime. â– 


Which number is a composite number 51 41 31 11?

51 is composite.


Are 31 and 51 prime numbers?

31 is prime, but 51 is not as 51=3*17.


Are 40 and 51 relativly prime?

51 is not a prime number. It is divisible by 3.


Which is not a prime number between 17 23 31 and 51?

51 = 3 x 17

Trending Questions
Evaporation is the opposite of? How much does a monster cost from BP? What is the scientific explanation of the Bermuda Triangle? What is historical sources? What do you do after the eight gym leader in Pokemon white? How long can a person live with brain trauma? How old are Ross Lynch's siblings and what are their names? How do you use the word isotopes in a sentence? What kingdom does a spirillum belong? What is WOE on bank statement? When did Bert Chervin die? What food does the average person eat just over 7 pounds of in a year? 15m long cantilever beam that is fixed in a wall and a person that weighs 70kg is standing at the free end of it what moment is that person's weight applying about the fixed support? Are Capuchin Monkeys producers or consumers? Why are math teachers so mean? What does a circle on the inside of my diamond candle ring mean? Was sixty fifth infantry regiment exonerated from court martial? Who did lincoln pattern his handwriting from? How tall is Byeol Kim? What is the algebraic expression for 5 more that a number divided by 9?

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 Answers.com. 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.