# Is 154 a Prime Number?

Is 154 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 154 is a prime or composite is - * "154 is a composite number."* Now, let us find out how and why is 154 a prime number or a composite number?

**Is 154 a prime number? -**No**Is 154 a composite number? -**Yes**Factors of 154 -**1, 2, 7, 11, 14, 22, 77, 154**Is 154 a perfect square? -**No**Prime Factors of 154 -**2, 7, 11

## Is 154 a Prime Number?

No, 154 is not a prime number. The number 154 is divisible by 1, 2, 7, 11, 14, 22, 77, 154. For a number to be classified as a prime number, it should have exactly two factors. Since 154 has more than two factors, i.e. 1, 2, 7, 11, 14, 22, 77, 154, it is not a prime number.

## Why is 154 not a Prime Number?

To understand whether 154 is composite or prime, it is important to find its factors.

**Factors of 154:** 1, 2, 7, 11, 14, 22, 77, 154

Since 154 has more than 2 factors, we can say that 154 is not a prime number.

## Is 154 a Composite Number?

Yes, since 154 has more than two factors i.e. 1, 2, 7, 11, 14, 22, 77, 154. In other words, 154 is a composite number because 154 has more than 2 factors.

**Problem Statements: **

Is 154 a Prime Number? | No |

Is 154 a Composite Number? | Yes |

Square Root of 154 | 12.409674 |

Cube Root of 154 | 5.360099 |

Square of 154 | 23716 |

Is 154 a Perfect Cube? | No |

Is 154 an Odd Number? | No |

Multiples of 154 | 154, 308, 462, 616, 770, 924, 1078, 1232, 1386, 1540 |

Is 154 an Even Number? | Yes |

Is 154 a Perfect Square? | No |

**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. - 1 is neither prime nor composite.
- 23 is the smallest prime number having consecutive digits.

**☛ Also Check: **

- Is 1001 a Prime Number? - No
- Is 4 a Prime Number? - No
- Is 16 a Prime Number? - No
- Is 87 a Prime Number? - No
- Is 45 a Prime Number? - No
- Is 341 a Prime Number? - No
- Is 129 a Prime Number? - No
- Is 641 a Prime Number? - Yes

visual curriculum