# Is 351 a Prime Number?

Is 351 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 351 is a prime number or composite, we need to divide it with numbers from 1 to 351. To find out the answer to this question * "is 351 is a prime number"* and to gain a detailed understanding of

*Let's learn more.*

**"how and why is 351 a prime number or a composite number?"****Is 351 a prime number? -**No**Is 351 a composite number? -**Yes**Prime Factors of 351 -**3, 13**Factors of 351 -**1, 3, 9, 13, 27, 39, 117, 351**Is 351 a perfect square? -**No

## Is 351 a Prime Number?

No, 351 is not a prime number. The number 351 is divisible by 1, 3, 9, 13, 27, 39, 117, 351. For a number to be classified as a prime number, it should have exactly two factors. Since 351 has more than two factors, i.e. 1, 3, 9, 13, 27, 39, 117, 351, it is not a prime number.

## Why is 351 not a Prime Number?

To understand whether 351 is composite or prime, it is important to find its factors.

**Factors of 351:** 1, 3, 9, 13, 27, 39, 117, 351

Since 351 has more than 2 factors, we can say that 351 is not a prime number.

## Is 351 a Composite Number?

Yes, since 351 has more than two factors i.e. 1, 3, 9, 13, 27, 39, 117, 351. In other words, 351 is a composite number because 351 has more than 2 factors.

**Problem Statements: **

Is 351 a Prime Number? | No |

Is 351 a Composite Number? | Yes |

Is 351 a Perfect Square? | No |

Is 351 a Perfect Cube? | No |

Square of 351 | 123201 |

Is 351 an Odd Number? | Yes |

Cube Root of 351 | 7.05399 |

Square Root of 351 | 18.734994 |

Multiples of 351 | 351, 702, 1053, 1404, 1755, 2106, 2457, 2808, 3159, 3510 |

Is 351 an Even Number? | No |

**Fun Facts: **

- A semiprime number is a composite number that is the product of exactly two prime numbers. Example - 115 is semiprime, since 115 can be written as 5 × 23.
- 5 is the only prime number having the last digit as 5.
- 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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