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Compose Numbers Before Calculator

List all the composit numbers from 1 to any number untill 20,000 by using the Prime Numbers Before Calculator below.

Composite Numbers Before Calculator

Enter a natural number to calculate the composites before it:
Ex.: 10, 100, 64, 1000, ... until 20,000.
 

Composite Numbers Before:

The number 100 is not a prime number because it is possible to express it as a product of prime factors. In other words, 100 can be divided by 1, by itself and at least by 2 and 5. So, 100 is a 'composite number'.

List of composite numbers before 100:

4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100.

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Composite Number Definition

A composite number is a whole number that can be divided evenly by numbers other than 1 or itself.

A composite number n is a positive integer n>1 which is not prime (i.e., it can be divided by whole number other than 1 and itself).

Sample Numbers - Check if they are prime.