a natural number is a number that is typically a whole number excluding the 0So, from least to greastest: 1,2,3,4,5,6...,infinitya prime number is one that is only divisible by 1 and the number...
All numbers that only have one and itself as factors are prime. Therefore, to tell if a number is prime simply find it's factors. If it has more than two factors than it is not a prime number.
A natural number can be thought of as a 'counting number' ie 0 1 2 3 4.... off to infinity. They also have to be whole, so for instance 1.5 isn't a natural number. Prime number are ones which can...