# Is 245 a Prime Number?

Is 245 a prime number? How do you know that 245 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 245? Is 245 a prime number? * "No, 245 is not a prime number."* Since 245 has more than 2 factors i.e. 1, 5, 7, 35, 49, 245, it is a composite number. Let's study this in detail.

**Is 245 a prime number? -**No**Is 245 a composite number? -**Yes**Factors of 245 -**1, 5, 7, 35, 49, 245**Prime Factors of 245 -**5, 7**Is 245 a perfect square? -**No

## Is 245 a Prime Number?

No, 245 is not a prime number. The number 245 is divisible by 1, 5, 7, 35, 49, 245. For a number to be classified as a prime number, it should have exactly two factors. Since 245 has more than two factors, i.e. 1, 5, 7, 35, 49, 245, it is not a prime number.

## Why is 245 not a Prime Number?

To understand whether 245 is composite or prime, it is important to find its factors.

**Factors of 245:** 1, 5, 7, 35, 49, 245

Since 245 has more than 2 factors, we can say that 245 is not a prime number.

## Is 245 a Composite Number?

Yes, since 245 has more than two factors i.e. 1, 5, 7, 35, 49, 245. In other words, 245 is a composite number because 245 has more than 2 factors.

**Problem Statements: **

Is 245 a Prime Number? | No |

Is 245 a Composite Number? | Yes |

Cube Root of 245 | 6.257313 |

Is 245 an Odd Number? | Yes |

Is 245 a Perfect Square? | No |

Multiples of 245 | 245, 490, 735, 980, 1225, 1470, 1715, 1960, 2205, 2450 |

Square Root of 245 | 15.652476 |

Is 245 an Even Number? | No |

Is 245 a Perfect Cube? | No |

Square of 245 | 60025 |

**Fun Facts: **

- A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421
- 5 is the only prime number having the last digit as 5.
- A perfect square (square number) is always a composite number.

**☛ Also Check: **

- Is 49 a Prime Number? - No
- Is 103 a Prime Number? - Yes
- Is 85 a Prime Number? - No
- Is 143 a Prime Number? - No
- Is 81 a Prime Number? - No
- Is 481 a Prime Number? - No
- Is 163 a Prime Number? - Yes
- Is 643 a Prime Number? - Yes

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