Is 5 a prime number?
It is possible to find out using mathematical methods whether a given integer is a prime number or not.
For 5, the answer is: yes, 5 is a prime number because it has only two distinct divisors: 1 and itself (5).
As a consequence, 5 is only a multiple of 1 and 5.
Find out more:
Since 5 is a prime number, 5 is also a deficient number, that is to say 5 is a natural integer that is strictly larger than the sum of its proper divisors, i.e., the divisors of 5 without 5 itself (that is 1, by definition!).