# Is 157 a Prime Number?

Is 157 a prime number? If a number has only two factors, i.e. 1 and the number itself, it is known as a prime number. In contrast, composite numbers have more than two factors. By this explanation, can we answer the question - is 157 a prime number? According to the definition mentioned above, we can say * "yes, 157 is a prime number."* Now let us take a look at the detailed solution of why is 157 a prime number?

**Is 157 a prime number? -**Yes**Is 157 a composite number? -**No**Factors of 157 -**1, 157**Prime Factors of 157 -**157**Is 157 a perfect square? -**No

## Is 157 a Prime Number?

Yes, 157 is a prime number. The number 157 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 157 has exactly two factors, i.e. 1 and 157, it is a prime number.

## How is 157 a Prime Number?

To understand whether 157 is composite or prime, it is important to find its factors.

**Factors of 157:** 1, 157

Therefore, we can say that 157 is a prime number since it has only 2 factors.

## Is 157 a Composite Number?

No, since 157 has only two factors, i.e. 1 and 157. In other words, 157 is not a composite number because 157 doesn’t have more than 2 factors.

**Problem Statements: **

Is 157 a Prime Number? | Yes |

Is 157 a Composite Number? | No |

Is 157 an Even Number? | No |

Multiples of 157 | 157, 314, 471, 628, 785, 942, 1099, 1256, 1413, 1570 |

Is 157 a Perfect Cube? | No |

Is 157 a Perfect Square? | No |

Is 157 an Odd Number? | Yes |

Square Root of 157 | 12.529964 |

Cube Root of 157 | 5.394682 |

**Fun Facts: **

- All prime numbers don't have the last digit as 5 except the number 5.
- 2 is the smallest prime number.
- A perfect cube is always a composite number.

**☛ Also Check: **

- Is 90 a Prime Number? - No
- Is 937 a Prime Number? - Yes
- Is 69 a Prime Number? - No
- Is 621 a Prime Number? - No
- Is 469 a Prime Number? - No
- Is 152 a Prime Number? - No
- Is 173 a Prime Number? - Yes
- Is 133 a Prime Number? - No

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