**Question:** Which one of the following is a factor of the sum of first twenty five natural numbers?

A 26

B 24

C 13

D 12

**Answer: 13**

** **

Factors |
Description |
Solution |

1 |
Every integer is divisible by 1. | 325 ÷ 1 = 325 |

5 |
The sum of the first 25 natural numbers, 325, is divisible by 5. | 325 ÷ 5 = 65 |

13 |
325 is divisible by 13. | 325 ÷ 13 = 25 |

25 |
325 is divisible by 25. | 325 ÷ 25 = 13 |