# Is 7 a Prime Number?

Is 7 a prime number? How do you know that 7 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 7? Is 7 a prime number? * "Yes, 7 is a prime number."* Since 7 has only 2 factors i.e. 1 and 7, it is a prime number. Let's study this in detail.

**Is 7 a prime number? -**Yes**Is 7 a composite number? -**No**Prime Factors of 7 -**7**Is 7 a perfect square? -**No**Factors of 7 -**1, 7

## Is 7 a Prime Number?

Yes, 7 is a prime number. The number 7 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 7 has exactly two factors, i.e. 1 and 7, it is a prime number.

## How is 7 a Prime Number?

To understand whether 7 is prime or composite, it is important to find its factors.

**Factors of 7:** 1, 7

Therefore, we can say that 7 is a prime number since it has only 2 factors.

## Is 7 a Composite Number?

No, since 7 has only two factors, i.e. 1 and 7. In other words, 7 is not a composite number because 7 doesn’t have more than 2 factors.

**Problem Statements: **

Is 7 a Prime Number? | Yes |

Is 7 a Composite Number? | No |

Is 7 a Perfect Cube? | No |

Is 7 a Perfect Square? | No |

Cube Root of 7 | 1.912930 |

Multiples of 7 | 7, 14, 21, 28, 35, 42, 49, 56, 63, 70 |

Is 7 an Even Number? | No |

Square Root of 7 | 2.645751 |

Is 7 an Odd Number? | Yes |

**Fun Facts: **

- A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (41, 43) are twin prime numbers.
- 23 is the smallest prime number having consecutive digits.
- 2 is the smallest prime number.

**☛ Also Check: **

- Is 157 a Prime Number? - Yes
- Is 123 a Prime Number? - No
- Is 697 a Prime Number? - No
- Is 341 a Prime Number? - No
- Is 999 a Prime Number? - No
- Is 423 a Prime Number? - No
- Is 801 a Prime Number? - No
- Is 281 a Prime Number? - Yes

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