# Is 143 a Prime Number?

Is 143 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 143 is a prime or composite is - * "143 is a composite number."* Now, let us find out how and why is 143 a prime number or a composite number?

**Is 143 a prime number? -**No**Is 143 a composite number? -**Yes**Factors of 143 -**1, 11, 13, 143**Is 143 a perfect square? -**No**Prime Factors of 143 -**11, 13

## Is 143 a Prime Number?

No, 143 is not a prime number. The number 143 is divisible by 1, 11, 13, 143. For a number to be classified as a prime number, it should have exactly two factors. Since 143 has more than two factors, i.e. 1, 11, 13, 143, it is not a prime number.

## Why is 143 not a Prime Number?

To understand whether 143 is prime or composite, it is important to find its factors.

**Factors of 143:** 1, 11, 13, 143

Since 143 has more than 2 factors, we can say that 143 is not a prime number.

## Is 143 a Composite Number?

Yes, since 143 has more than two factors i.e. 1, 11, 13, 143. In other words, 143 is a composite number because 143 has more than 2 factors.

**Problem Statements: **

Is 143 a Prime Number? | No |

Is 143 a Composite Number? | Yes |

Is 143 a Perfect Square? | No |

Square of 143 | 20449 |

Is 143 an Even Number? | No |

Multiples of 143 | 143, 286, 429, 572, 715, 858, 1001, 1144, 1287, 1430 |

Square Root of 143 | 11.958261 |

Is 143 an Odd Number? | Yes |

Is 143 a Perfect Cube? | No |

Cube Root of 143 | 5.229313 |

**Fun Facts: **

- Euler discovered a polynomial n
^{2}+ n + 41 that produces prime numbers for values of n that lie between 0 and 39 inclusive. It can generate 40 prime numbers for 0 <= n <= 39. - 2 is the smallest prime number.
- 1 is neither prime nor composite.

**☛ Also Check: **

- Is 4 a Prime Number? - No
- Is 143 a Prime Number? - No
- Is 17 a Prime Number? - Yes
- Is 123 a Prime Number? - No
- Is 34 a Prime Number? - No
- Is 539 a Prime Number? - No
- Is 135 a Prime Number? - No
- Is 365 a Prime Number? - No

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