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Is 25 a Prime Number?

Is 25 a prime number? "No, 25 is not a prime number." A number can be classified as prime or composite depending on the factors it contains; it could either have only 2 factors or more than 2 factors. Numbers like 1031 with only 2 factors, i.e. 1 and 1031 are called prime numbers. However, numbers like 214 with more than 2 factors are called composite numbers. Let us find out how and why is 25 a prime number or a composite number?

Is 25 a prime number? - No
Is 25 a composite number? - Yes
Prime Factors of 25 - 5
Is 25 a perfect square? - Yes
Factors of 25 - 1, 5, 25

Is 25 a Prime or Composite?

Is 25 a Prime Number?

No, 25 is not a prime number. The number 25 is divisible by 1, 5, 25. For a number to be classified as a prime number, it should have exactly two factors. Since 25 has more than two factors, i.e. 1, 5, 25, it is not a prime number.

Is 25 a Prime Number?

Why is 25 not a Prime Number?

To understand whether 25 is prime or composite, it is important to find its factors.

Factors of 25: 1, 5, 25

Since 25 has more than 2 factors, we can say that 25 is not a prime number.

☛ Prime Number Calculator

Is 25 a Composite Number?

Yes, since 25 has more than two factors i.e. 1, 5, 25. In other words, 25 is a composite number because 25 has more than 2 factors.

Problem Statements:

Is 25 a Prime Number?	No
Is 25 a Composite Number?	Yes
Multiples of 25	25, 50, 75, 100, 125, 150, 175, 200, 225, 250
Is 25 an Even Number?	No
Is 25 an Odd Number?	Yes
Cube Root of 25	2.924015
Is 25 a Perfect Cube?	No
Square Root of 25	5
Is 25 a Perfect Square?	Yes
Square of 25	625

Fun Facts:

All primes except 2 are odd.
A perfect square (square number) is always a composite number.
23 is the smallest prime number having consecutive digits.

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