A Prime number is one without 'Real Number Factors'- they are divisible to a Real number only by One and itself; hence as 2 does not have factors it is a prime number.
Refer:http://en.wikipedia.org/wiki/Prime_number
a prime number
A prime number is a positive whole number (a positive integer) that has exactly two unique positive divisors, 1 and the number itself.
There is no such thing as a largest prime number as there are infinitely many, but the largest known prime is a Mersenne Prime (one less than a power of two) - 257,885,161- 1.
It is a prime number which has only two factors which are itself and one
Composite. It has more than two factors.
If you mean what kind of number is 126547 then it is a prime number having only two factors which are itself and one.
a prime number
9797 is the largest two digit prime number.
There is not such a thing as a composite prime number. A prime number has exactly two factors. A composite number has more than two factors.
A prime number is a number that has only two factors which are itself and one
prime
A prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself.