A prime number is a number greater than one and can only be divided by 1 and itself. The result is always a whole number, i.e. no fractions, decimals, remainders.
<span>Example: </span> <span>2 can only be divided by 1 and itself </span> <span>3 can only be divided by 1 and itself. </span>
<span>4 however, can be divided by 1 or 2 or itself </span>
<span>1 is not a prime number since it is not greater than one.</span>
Prime numbers are positive integers that cannot be factored. Meaning it cannot be divided by any other number but 1 and itself.
For example: 2 is a prime number. It can only be divided by 1 and 2. 4 is not a prime number. Because it can be divided by 1, 2, and 4.
Take note: prime numbers are POSITIVE integers only.
Additional information about prime numbers: * The only even prime number is 2. The rest even number are not prime numbers because it can be divided by 2. * zero and 1 are not considered prime numbers * numbers that are not prime numbers are called composite numbers.
