answersLogoWhite

0

Which is a prime number 16 21 19 18?

Updated: 8/21/2019
User Avatar

Wiki User

8y ago

Best Answer

19 is prime.

User Avatar

Wiki User

8y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Which is a prime number 16 21 19 18?
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What is the prime number after 18?

The first prime number after 18 is 19.


Is 19 is prime number?

19 YES, 19 is prime because 2,3,4,5,6,7,8,9,do not go in to 19. I stop at nine because 18 is one under 19 and 9 x 2=18. The only factors of 19 are 1 and itself, making it a prime number.


What is the significance of the number 19?

The number 19 it is between 18 and 20 and is a Prime Number.


Which is the prime number 16 18 19 20 28 33 or 36?

19. All even numbers except 2 are divisible by 2 and so not prime - that eliminates 16, 18, 20, 28, 36 to leave 19. 33. 33 is divisible by 3 since 3+3 = 6 which is divisible by 3, leaving just 19 which is prime.


What is the prime number of 16 27 13 19 21?

They are 13 and 19 which are prime numbers


What is the prime number for 19?

19 is a prime.


How many integers between 13 and 19 inclusive have an even number of prime factors?

13 is prime 14=2x7, 2 factors 15=3x5, 2 factors 16=24, 4 factors 17 is prime 18=2x32, 3 factors 19 is prime So the answer is 3 (14, 15 and 16)


What is the greatest common factor of 18 19 and 20?

It is 1 because 19 is a prime number


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 is the odd number out 4 18 9 14 19 25?

Probably 19 because it's a prime number


Which number is irrational 169 16 56 19?

None of them because they are all rational numbers but 19 is a prime number.