# Is 5 a Prime Number?

Is 5 a prime number? How do you know that 5 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now, what do you think of 5? Is 5 a prime number? * "Yes, 5 is a prime number."* Since 5 has only 2 factors i.e. 1 and 5, it is a prime number. Let's study this in detail.

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

## Is 5 a Prime Number?

Yes, 5 is a prime number. The number 5 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 5 has exactly two factors, i.e. 1 and 5, it is a prime number.

## How is 5 a Prime Number?

To understand whether 5 is composite or prime, it is important to find its factors.

**Factors of 5:** 1, 5

Therefore, we can say that 5 is a prime number since it has only 2 factors.

## Is 5 a Composite Number?

No, since 5 has only two factors, i.e. 1 and 5. In other words, 5 is not a composite number because 5 doesn’t have more than 2 factors.

**Problem Statements: **

Is 5 a Prime Number? | Yes |

Is 5 a Composite Number? | No |

Square Root of 5 | 2.236068 |

Is 5 a Perfect Cube? | No |

Cube Root of 5 | 1.709975 |

Is 5 a Perfect Square? | No |

Is 5 an Odd Number? | Yes |

Multiples of 5 | 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 |

Is 5 an Even Number? | No |

**Fun Facts: **

- All primes except 2 are odd.
- A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (41, 43) are twin prime numbers.
- A perfect cube is always a composite number.

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