# Is 777 a Prime Number?

Is 777 a prime number? How do you know that 777 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now, what do you think of 777? Is 777 a prime number? * "No, 777 is not a prime number."* Since 777 has more than 2 factors i.e. 1, 3, 7, 21, 37, 111, 259, 777, it is a composite number. Let's study this in detail.

**Is 777 a prime number? -**No**Is 777 a composite number? -**Yes**Is 777 a perfect square? -**No**Factors of 777 -**1, 3, 7, 21, 37, 111, 259, 777**Prime Factors of 777 -**3, 7, 37

## Is 777 a Prime Number?

No, 777 is not a prime number. The number 777 is divisible by 1, 3, 7, 21, 37, 111, 259, 777. For a number to be classified as a prime number, it should have exactly two factors. Since 777 has more than two factors, i.e. 1, 3, 7, 21, 37, 111, 259, 777, it is not a prime number.

## Why is 777 not a Prime Number?

To understand whether 777 is composite or prime, it is important to find its factors.

**Factors of 777:** 1, 3, 7, 21, 37, 111, 259, 777

Since 777 has more than 2 factors, we can say that 777 is not a prime number.

## Is 777 a Composite Number?

Yes, since 777 has more than two factors i.e. 1, 3, 7, 21, 37, 111, 259, 777. In other words, 777 is a composite number because 777 has more than 2 factors.

**Problem Statements: **

Is 777 a Prime Number? | No |

Is 777 a Composite Number? | Yes |

Is 777 an Odd Number? | Yes |

Multiples of 777 | 777, 1554, 2331, 3108, 3885, 4662, 5439, 6216, 6993, 7770 |

Square Root of 777 | 27.87472 |

Is 777 a Perfect Cube? | No |

Is 777 a Perfect Square? | No |

Is 777 an Even Number? | No |

Cube Root of 777 | 9.193327 |

Square of 777 | 603729 |

**Fun Facts: **

- 2 is the smallest prime number.
- All primes except 2 are odd.
- Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 71 is a prime number and it can be written as 71 = 6 × 12 - 1

**☛ Also Check: **

- Is 3 a Prime Number? - Yes
- Is 109 a Prime Number? - Yes
- Is 41 a Prime Number? - Yes
- Is 2 a Prime Number? - Yes
- Is 39 a Prime Number? - No
- Is 2401 a Prime Number? - No
- Is 106 a Prime Number? - No
- Is 136 a Prime Number? - No