# Is 16 a Prime Number?

Is 16 a prime number? How do you know that 16 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 16? Is 16 a prime number? * "No, 16 is not a prime number."* Since 16 has more than 2 factors i.e. 1, 2, 4, 8, 16, it is a composite number. Let's study this in detail.

**Is 16 a prime number? -**No**Is 16 a composite number? -**Yes**Prime Factors of 16 -**2**Is 16 a perfect square? -**Yes**Factors of 16 -**1, 2, 4, 8, 16

## Is 16 a Prime Number?

No, 16 is not a prime number. The number 16 is divisible by 1, 2, 4, 8, 16. For a number to be classified as a prime number, it should have exactly two factors. Since 16 has more than two factors, i.e. 1, 2, 4, 8, 16, it is not a prime number.

## Why is 16 not a Prime Number?

To understand whether 16 is prime or composite, it is important to find its factors.

**Factors of 16:** 1, 2, 4, 8, 16

Since 16 has more than 2 factors, we can say that 16 is not a prime number.

## Is 16 a Composite Number?

Yes, since 16 has more than two factors i.e. 1, 2, 4, 8, 16. In other words, 16 is a composite number because 16 has more than 2 factors.

**Problem Statements: **

Is 16 a Prime Number? | No |

Is 16 a Composite Number? | Yes |

Is 16 a Perfect Cube? | No |

Square Root of 16 | 4 |

Multiples of 16 | 16, 32, 48, 64, 80, 96, 112, 128, 144, 160 |

Cube Root of 16 | 2.51984 |

Is 16 an Odd Number? | No |

Is 16 a Perfect Square? | Yes |

Square of 16 | 256 |

Is 16 an Even Number? | Yes |

**Fun Facts: **

- Numbers X and Y are said to be coprime if they have only one common factor that is 1.
- 1 is neither prime nor composite.
- A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421

**☛ Also Check: **

- Is 36 a Prime Number? - No
- Is 67 a Prime Number? - Yes
- Is 59 a Prime Number? - Yes
- Is 42 a Prime Number? - No
- Is 127 a Prime Number? - Yes
- Is 183 a Prime Number? - No
- Is 743 a Prime Number? - Yes
- Is 697 a Prime Number? - No