# Is 397 a Prime Number?

Is 397 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 397 is a prime number or composite, we need to divide it with numbers from 1 to 397. To find out the answer to this question * "is 397 is a prime number"* and to gain a detailed understanding of

*Let's learn more.*

**"how and why is 397 a prime number?"****Is 397 a prime number? -**Yes**Is 397 a composite number? -**No**Factors of 397 -**1, 397**Is 397 a perfect square? -**No**Prime Factors of 397 -**397

## Is 397 a Prime Number?

Yes, 397 is a prime number. The number 397 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 397 has exactly two factors, i.e. 1 and 397, it is a prime number.

## How is 397 a Prime Number?

To understand whether 397 is composite or prime, it is important to find its factors.

**Factors of 397:** 1, 397

Therefore, we can say that 397 is a prime number since it has only 2 factors.

## Is 397 a Composite Number?

No, since 397 has only two factors, i.e. 1 and 397. In other words, 397 is not a composite number because 397 doesn’t have more than 2 factors.

**Problem Statements: **

Is 397 a Prime Number? | Yes |

Is 397 a Composite Number? | No |

Square Root of 397 | 19.924859 |

Cube Root of 397 | 7.349582 |

Is 397 a Perfect Square? | No |

Is 397 a Perfect Cube? | No |

Is 397 an Even Number? | No |

Is 397 an Odd Number? | Yes |

Multiples of 397 | 397, 794, 1191, 1588, 1985, 2382, 2779, 3176, 3573, 3970 |

**Fun Facts: **

- A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 787, 373, 353
- Numbers X and Y are said to be coprime if they have only one common factor that is 1.
- A semiprime number is a composite number that is the product of exactly two prime numbers. Example - 697 is semiprime, since 697 can be written as 17 × 41.

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