factors-of .com

Prime numbers from 1 to 19

Here is the answer to questions like: Prime numbers from 1 to 19. Get all the prime numbers from one to 19. Use the Prime Numbers Before Calculator below to discover if any given number is prime or composite and get all the primes up to 19.

Prime Numbers Before Calculator

Enter a natural number to calculate the primes before it:
Ex.: 4, 11, 64, 128, ... until 10,000.

Prime Numbers Before 19:

The number 19 is a prime number because it is not possible to write it as a product of prime factors. In other words, 19 is only divided by 1 and by itself.

List of prime numbers before 19 (including 19 itself):

2, 3, 5, 7, 11, 13, 17, 19.

You may also like:

Other ways people find this

Sample Numbers - Check if they are prime.