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# Is 1997 a Prime Number?

Is 1997 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 1997 is a prime or composite is - * "1997 is a prime number."* Now, let us find out how and why is 1997 a prime number or a composite number?

**Is 1997 a prime number? -**Yes**Is 1997 a composite number? -**No**Prime Factors of 1997 -**1997**Is 1997 a perfect square? -**No**Factors of 1997 -**1, 1997

## Is 1997 a Prime Number?

Yes, 1997 is a prime number. The number 1997 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 1997 has exactly two factors, i.e. 1 and 1997, it is a prime number.

## How is 1997 a Prime Number?

To understand whether 1997 is composite or prime, it is important to find its factors.

**Factors of 1997:** 1, 1997

Therefore, we can say that 1997 is a prime number since it has only 2 factors.

## Is 1997 a Composite Number?

No, since 1997 has only two factors, i.e. 1 and 1997. In other words, 1997 is not a composite number because 1997 doesn’t have more than 2 factors.

**Problem Statements: **

Is 1997 a Prime Number? | Yes |

Is 1997 a Composite Number? | No |

Is 1997 an Even Number? | No |

Is 1997 an Odd Number? | Yes |

Cube Root of 1997 | 12.592876 |

Multiples of 1997 | 1997, 3994, 5991, 7988, 9985, 11982, 13979, 15976, 17973, 19970 |

Is 1997 a Perfect Square? | No |

Is 1997 a Perfect Cube? | No |

Square Root of 1997 | 44.687806 |

**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. - All prime numbers don't have the last digit as 5 except the number 5.
- 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.

**☛ Also Check: **

- Is 119 a Prime Number? - No
- Is 27 a Prime Number? - No
- Is 59 a Prime Number? - Yes
- Is 289 a Prime Number? - No
- Is 28 a Prime Number? - No
- Is 104 a Prime Number? - No
- Is 98 a Prime Number? - No
- Is 445 a Prime Number? - No

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