Why is 19 a prime number but 15 is not a prime number?

Anonymous

∙ 14y ago

Updated: 8/18/2019

19 only has 2 factors - itself and 1.

15 has 4 factors - itself, 1, 3, and 5.

Prime numbers can only have 2 factors.

19 is prime, 15 is composite.

Wiki User

∙ 14y ago

What else can I help you with?

Which is not a prime number 13 15 17 19?

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

Which is a composite Number 15 17 19 or 23?

15 is composite number 17, 19 and 23 are prime numbers.

What prime number is between 15 and 20?

17... and 19 !

What is the prime number for 19?

19 is a prime.

What is the prime factor of 19?

19 is a prime number, so it has no prime factorization.

Is 19 a prim number or a composite number?

19 is a prime number.19 is a prime number.19 is a prime number.19 is a prime number.

What number is prime and between 15 and 25 and has 57 as a multiple?

It is 19

What is the greatest common factor of 19 and 15?

Do a factor tree. 15 ^ 5 3 (3 & 5 are prime) 19 is a prime number. 15: 3 * 5 19: 19 ^^They have nothing in common. Therefore, the answer is 1.

What is a prime number 105 or 27 or 19 or 9?

19 is the prime number.

Is 19 composite number or prime number?

19 is prime.

Is the number 19 a prime?

19 is a prime number.

Is 19 a prime number or a compsite?

19 is a prime number

Trending Questions

What years is May 16 a Wednesday? What is the difference between intoxication assault and intoxication manslaughter? Where is the Mill Race Historical Village in Northville Michigan located? How can software be depreciated? Kaitlyn and acirc and 128 and 153s Law was signed in to law in 2001 making it illegal to? How can you make khaman dhokla in Hindi language? Where is the Dorchester Skipjack Committee in Cambridge Maryland located? What is 7 divide by 49.28? What is carisoprodol? How does ponyboy think they will change as they grow older? Where was the first Irish Constitution signed? What kind of business do Bullock Star run in Deadwood? About when were the plow wheel and bronze writing created? If you say candy man 5 times will he kill you? How many horsepower does a 1996 Honda Accord LX have? Is potassium oxide polor or nonpolar? What are the rates for a night at the Holiday Inn in Swindon? Are Amy Grant and Vince Gill getting divorced in 2016? What Is Data-Driven Marketing? Who is Flying J owned by?

Resources

Top Categories

Product

Company

Copyright ©2025 Answers.com | Lunias Media Inc. 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.