# List of prime numbers before 15

## 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 15:

The number 15 is not a prime number because it is possible to express it as a product of prime factors. In other words, 15 can be divided by 1, by itself and at least by 3 and 5. So, 15 is a 'composite number'.

List of prime numbers before 15:

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

Here you'll find the answer to questions like: List of prime numbers before 15. Get all the prime numbers from one to 15. Use the Prime Numbers Before Calculator below to discover if any given number is prime or composite and get all the primes up to 15.

## Other ways people find this

• Prime numbers from 1 to 15.
• Prime numbers between 1 and 15.
• What are all prime numbers that are less than 15.
• Prime numbers before 15.
• Prime numbers below 15.
• Prime Numbers 1-15 Chart.
• Prime Numbers Less than 15.
• Prime Numbers up to 15.
• What is the sum of the first 15 prime numbers?.