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Is 111 a Prime Number?

Is 111 a prime number? A prime number is divisible only by 1 and itself, which means it has no other divisor except 1 and the number itself. On the contrary, composite numbers have more than two factors. To determine if 111 is a prime number or composite, we need to divide it with numbers from 1 to 111. To find out the answer to this question "is 111 is a prime number" and to gain a detailed understanding of "how and why is 111 a prime number or a composite number?" Let's learn more.

Is 111 a prime number? - No
Is 111 a composite number? - Yes
Prime Factors of 111 - 3, 37
Is 111 a perfect square? - No
Factors of 111 - 1, 3, 37, 111

Is 111 a Prime or Composite?

Is 111 a Prime Number?

No, 111 is not a prime number. The number 111 is divisible by 1, 3, 37, 111. For a number to be classified as a prime number, it should have exactly two factors. Since 111 has more than two factors, i.e. 1, 3, 37, 111, it is not a prime number.

Is 111 a Prime Number?

Why is 111 not a Prime Number?

To understand whether 111 is prime or composite, it is important to find its factors.

Factors of 111: 1, 3, 37, 111

Since 111 has more than 2 factors, we can say that 111 is not a prime number.

☛ Prime Number Calculator

Is 111 a Composite Number?

Yes, since 111 has more than two factors i.e. 1, 3, 37, 111. In other words, 111 is a composite number because 111 has more than 2 factors.

Problem Statements:

Is 111 a Prime Number?	No
Is 111 a Composite Number?	Yes
Is 111 a Perfect Square?	No
Is 111 an Even Number?	No
Multiples of 111	111, 222, 333, 444, 555, 666, 777, 888, 999, 1110
Is 111 a Perfect Cube?	No
Square of 111	12321
Square Root of 111	10.535654
Cube Root of 111	4.805888
Is 111 an Odd Number?	Yes

Fun Facts:

Euler discovered a polynomial n² + n + 41 that produces prime numbers for values of n that lie between 0 and 39 inclusive. It can generate 40 prime numbers for 0 <= n <= 39.
2 is the smallest prime number.
Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 71 is a prime number and it can be written as 71 = 6 × 12 - 1

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