answersLogoWhite

0


Best Answer

One can tell whether a number is prime if it got only two divisors which is 1 and the number itself.

User Avatar

Wiki User

10y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: How can I tell wet her a number is prime?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

Is 29 an prime or composite number?

It is prime. Whenever you wanted to know a number is prime or composite, use this site. It can tell you the number is prime or not: prime-calculator dot com. It has lots of other abilities. Enjoy it.


How do you no if a number is prime or not?

A number is prime when it only has one and itself as factors is prime. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.


How can you tell when a number is relatively prime?

A number is never relatively prime.Relatively prime refers to a pair of numbers.


A number that is not prime?

A prime number is any number that only has one and itself as factors. Threfore, any number taht has more than two factors is not prime. Check the the factors of a number to tell if it is prime or not.


Not a prime number?

A prime number is any number that only has one and itself as factors. Threfore, any number taht has more than two factors is not prime. Check the the factors of a number to tell if it is prime or not.


Which of these numbers is not a prime number?

A prime number is any number that only has one and itself as factors. Therefore, any number that has more than two factors is not prime. Check the the factors of a number to tell if it is prime or not.


What numbers is not a prime number?

A prime number is any number that only has one and itself as factors. Therefore, any number that has more than two factors is not prime. Check the the factors of a number to tell if it is prime or not.


Is 2 an prime or composite number?

Yes. it is the first prime number. Whenever you wanted to know a number is prime or composite, use this site. It can tell you that: prime-calculator dot com. It has lots of other abilities. Enjoy it.


How can you tell that 28655 is not a prime number by its last number?

its a multiple of 5....


What does prime factorization tell you about numbers?

It tells you if a number is prime or composite and it also gives you a few factors of the number.


How can you tell whether za number is prime?

A number is prime if it only has two distinct factors.


Is three prime or composite number?

It is the second prme number. Dear friend whenever you wanted to know a number is prime or composite, use this site. It can tell you if a number is prime or not: prime-calculator dot com. It has lots of other abilities. Enjoy it.