# 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 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.

## 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.

## 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.

**☛ Also Check: **

- Is 55 a Prime Number? - No
- Is 77 a Prime Number? - No
- Is 79 a Prime Number? - Yes
- Is 48 a Prime Number? - No
- Is 10 a Prime Number? - No
- Is 317 a Prime Number? - Yes
- Is 253 a Prime Number? - No
- Is 210 a Prime Number? - No

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