# Is 217 a Prime Number?

Is 217 a prime number? Numbers having only 2 factors, i.e. 1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 217 is a prime or composite is - * "217 is a composite number."* Now, let us find out how and why is 217 a prime number or a composite number?

**Is 217 a prime number? -**No**Is 217 a composite number? -**Yes**Is 217 a perfect square? -**No**Prime Factors of 217 -**7, 31**Factors of 217 -**1, 7, 31, 217

## Is 217 a Prime Number?

No, 217 is not a prime number. The number 217 is divisible by 1, 7, 31, 217. For a number to be classified as a prime number, it should have exactly two factors. Since 217 has more than two factors, i.e. 1, 7, 31, 217, it is not a prime number.

## Why is 217 not a Prime Number?

To understand whether 217 is composite or prime, it is important to find its factors.

**Factors of 217:** 1, 7, 31, 217

Since 217 has more than 2 factors, we can say that 217 is not a prime number.

## Is 217 a Composite Number?

Yes, since 217 has more than two factors i.e. 1, 7, 31, 217. In other words, 217 is a composite number because 217 has more than 2 factors.

**Problem Statements: **

Is 217 a Prime Number? | No |

Is 217 a Composite Number? | Yes |

Is 217 an Odd Number? | Yes |

Is 217 a Perfect Square? | No |

Multiples of 217 | 217, 434, 651, 868, 1085, 1302, 1519, 1736, 1953, 2170 |

Cube Root of 217 | 6.009234 |

Is 217 a Perfect Cube? | No |

Is 217 an Even Number? | No |

Square Root of 217 | 14.73092 |

Square of 217 | 47089 |

**Fun Facts: **

- 5 is the only prime number having the last digit as 5.
- 2 is the smallest prime number.
- 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 169 a Prime Number? - No
- Is 67 a Prime Number? - Yes
- Is 12 a Prime Number? - No
- Is 30 a Prime Number? - No
- Is 13 a Prime Number? - Yes
- Is 287 a Prime Number? - No
- Is 451 a Prime Number? - No
- Is 417 a Prime Number? - No

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