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Is 121 a Prime Number?

Is 121 a prime number? "No, 121 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 521 with only 2 factors, i.e. 1 and 521 are called prime numbers. However, numbers like 299 with more than 2 factors are called composite numbers. Let us find out how and why is 121 a prime number or a composite number?

Is 121 a prime number? - No
Is 121 a composite number? - Yes
Prime Factors of 121 - 11
Is 121 a perfect square? - Yes
Factors of 121 - 1, 11, 121

Is 121 a Prime or Composite?

Is 121 a Prime Number?

No, 121 is not a prime number. The number 121 is divisible by 1, 11, 121. For a number to be classified as a prime number, it should have exactly two factors. Since 121 has more than two factors, i.e. 1, 11, 121, it is not a prime number.

Is 121 a Prime Number?

Why is 121 not a Prime Number?

To understand whether 121 is prime or composite, it is important to find its factors.

Factors of 121: 1, 11, 121

Since 121 has more than 2 factors, we can say that 121 is not a prime number.

☛ Prime Number Calculator

Is 121 a Composite Number?

Yes, since 121 has more than two factors i.e. 1, 11, 121. In other words, 121 is a composite number because 121 has more than 2 factors.

Problem Statements:

Is 121 a Prime Number?	No
Is 121 a Composite Number?	Yes
Square of 121	14641
Multiples of 121	121, 242, 363, 484, 605, 726, 847, 968, 1089, 1210
Is 121 a Perfect Cube?	No
Is 121 an Odd Number?	Yes
Cube Root of 121	4.94608
Is 121 an Even Number?	No
Square Root of 121	11
Is 121 a Perfect Square?	Yes

Fun Facts:

1 is neither prime nor composite.
23 is the smallest prime number having consecutive digits.
2 is the smallest prime number.

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