# Is 553 a Prime Number?

Is 553 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 553 is a prime number or composite, we need to divide it with numbers from 1 to 553. To find out the answer to this question * "is 553 is a prime number"* and to gain a detailed understanding of

*Let's learn more.*

**"how and why is 553 a prime number or a composite number?"****Is 553 a prime number? -**No**Is 553 a composite number? -**Yes**Prime Factors of 553 -**7, 79**Factors of 553 -**1, 7, 79, 553**Is 553 a perfect square? -**No

## Is 553 a Prime Number?

No, 553 is not a prime number. The number 553 is divisible by 1, 7, 79, 553. For a number to be classified as a prime number, it should have exactly two factors. Since 553 has more than two factors, i.e. 1, 7, 79, 553, it is not a prime number.

## Why is 553 not a Prime Number?

To understand whether 553 is composite or prime, it is important to find its factors.

**Factors of 553:** 1, 7, 79, 553

Since 553 has more than 2 factors, we can say that 553 is not a prime number.

## Is 553 a Composite Number?

Yes, since 553 has more than two factors i.e. 1, 7, 79, 553. In other words, 553 is a composite number because 553 has more than 2 factors.

**Problem Statements: **

Is 553 a Prime Number? | No |

Is 553 a Composite Number? | Yes |

Is 553 a Perfect Square? | No |

Is 553 a Perfect Cube? | No |

Multiples of 553 | 553, 1106, 1659, 2212, 2765, 3318, 3871, 4424, 4977, 5530 |

Is 553 an Even Number? | No |

Is 553 an Odd Number? | Yes |

Square Root of 553 | 23.515952 |

Cube Root of 553 | 8.208065 |

Square of 553 | 305809 |

**Fun Facts: **

- A perfect square (square number) is always a composite number.
- 23 is the smallest prime number having consecutive digits.
- A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (311, 313) are twin prime numbers.

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