##23## has only 2 factors – it is prime.
A prime number can be defined as:
“A natural number which has only 2 factors – itself and 1”.
23 has only 2 factors:##” “23 = 1 xx23##
There are no other natural numbers which are factors. ##23## is therefore a prime number.
If it had 3 or more factors it would be composite.
1 is the only number which has 1 factor – it is neither prime nor composite.
##23## has only 2 factors – it is prime.
A prime number can be defined as:
“A natural number which has only 2 factors – itself and 1”.
23 has only 2 factors:##” “23 = 1 xx23##
There are no other natural numbers which are factors. ##23## is therefore a prime number.
If it had 3 or more factors it would be composite.
1 is the only number which has 1 factor – it is neither prime nor composite.
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