# Is 11 a Prime Number or Composite Number

Created by: Team Maths - Examples.com, Last Updated: May 7, 2024

## Is 11 a Prime Number?

### Yes – 11 is a prime number.

Why Yes: 11 is a prime number because it meets the prime criteria of having exactly two distinct positive divisors: 1 and itself (11). See any number if it’s prime number or not

## Is 11 a Composite Number?

### NO – 11 is not a Composite Number

Why not: 11 is not a composite number; it is a prime number because it only has two distinct positive divisors: 1 and itself.

## Problem Statements

Is 11 a prime number? Yes
Is 11 a composite number? No
Is 11 a perfect square? No
Factors of 11 1, 11
Multiples of 11 11, 22, 33, 44, 55, 66, 77, 88, 99, 110
Cube Root of 11 Not a whole number
Square of 11 121
Square Root of 11  3.317
Is 11 a Perfect Square? No
Is 11 a Perfect Cube? No
Is 11 an Irrational number No
Is 11 a Rational number Yes
Is 11 a Real number Yes
Is 11 an Integer Yes
Is 11 a Natural number Yes
Is 11 a Whole number Yes
Is 11 an Even or odd number No (11 is an odd number)
Is 11 an Ordinal number Yes
Is 11 a Complex number Yes (as all real numbers are also complex numbers)

## What are the factors of 11?

The factors of 11 are 1 and 11. These are the only two numbers that can divide 11 evenly without leaving a remainder, indicating that 11 is a prime number.

## What Kind of Number is 11?

• 11 is a prime number.
• 11 is one of the odd prime numbers.
• 11 is considered a significant number in various cultures.
• A natural number.
• A positive integer.
• A prime number.
• An odd number.
• A rational number.
• A whole number.

11 is not only recognized as a prime number but also stands out as one of the notable odd prime numbers. This characteristic aligns it with the common property of prime numbers being indivisible by any number other than 1 and themselves. The number 11, in particular, holds a special place in numerous cultures around the world, often regarded as a number of significance, sometimes associated with spiritual or mystical meanings. Its status as a prime number and its cultural significance highlight the intriguing interplay between mathematics and human belief systems.

## Is 11 a perfect square?

No, 11 is not a perfect square. A perfect square is a number that can be expressed as the square of an integer, and there is no integer whose square is 11.

## Factors of 11?

The factors of 11 are 1 and 11. These are the only numbers that can divide 11 evenly without leaving a remainder, confirming that 11 is a prime number.

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