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Is 197 a Prime Number?

Is 197 a prime number? Numbers having only 2 factors, i.e. 1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 197 is a prime or composite is - "197 is a prime number." Now, let us find out how and why is 197 a prime number or a composite number?

Is 197 a prime number? - Yes
Is 197 a composite number? - No
Prime Factors of 197 - 197
Is 197 a perfect square? - No
Factors of 197 - 1, 197

Yes, 197 is a prime number. The number 197 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 197 has exactly two factors, i.e. 1 and 197, it is a prime number.

Is 197 a Prime or Composite?

How is 197 a Prime Number?

To understand whether 197 is composite or prime, it is important to find its factors.

Factors of 197: 1, 197

Therefore, we can say that 197 is a prime number since it has only 2 factors.

☛ Prime Number Calculator

Is 197 a Composite Number?

No, since 197 has only two factors, i.e. 1 and 197. In other words, 197 is not a composite number because 197 doesn’t have more than 2 factors.

Problem Statements:

Is 197 a Prime Number?	Yes
Is 197 a Composite Number?	No
Multiples of 197	197, 394, 591, 788, 985, 1182, 1379, 1576, 1773, 1970
Cube Root of 197	5.818638
Is 197 an Odd Number?	Yes
Is 197 an Even Number?	No
Is 197 a Perfect Square?	No
Is 197 a Perfect Cube?	No
Square Root of 197	14.035669

Fun Facts:

A perfect cube is always a composite number.
All prime numbers don't have the last digit as 5 except the number 5.
All primes except 2 are odd.

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