Is 53 prime or composite?
1 Answer
Mar 29, 2016
53 is prime.
Explanation:
A prime number is a number divisible by only 1 and itself. A composite number is a number that is divisible by 1, itself and however many other numbers.
It's important to note that 2 is the only even prime number (even = ends by a 0,2,4,6,8). Also, 1 is neither prime not composite.
To identify whether a number is prime or composite it helps to know your divisibility rules.
Practice exercises:
- Indicate whether the following numbers are prime or composite
a). 111
b) 97
c) 2
d) 1
