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Is 37 composite or prime?

Answer
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Hint: We first discuss the categorisation and characteristics of prime and a composite number. We try to understand the concept with the examples. We also find the factorisation of those numbers to find the difference between them and find if 37 is composite or prime.

Complete step-by-step answer:
Every natural number can be categorised into two parts of prime and composite numbers.
We first discuss the characteristics of the prime and composite numbers.
The numbers which have only two factors as 1 and that number itself are called prime numbers. The prime numbers are only divisible by 1 and that number.
For example, the numbers 5, 7, 11 are the prime numbers.
All other natural numbers other than prime numbers are called composite numbers.
This means that composite numbers have more than two factors of 1 and that number.
For example, the numbers 4, 33, 111 are the composite numbers.
The factorisation of prime numbers is the multiplication of 1 and that number.
37 can be written as 37=1×37. It has no other divisor.
The number of factorisations for prime numbers is always one but for composite numbers it is at least 2.
Therefore, 37 is a prime number.
So, the correct answer is “prime number”.

Note: All even numbers are composite numbers except 2. There aren’t enough smaller numbers than 2 to form the factors of 2. Therefore, it’s considered as prime numbers. 1 belongs to neither the prime nor the composite numbers.
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