Question: 25 divided by what equals 5?
Answer: Therefore, the answer to what divided by 5 equals 25 is 125. You can prove this by taking 125 and dividing it by 5, and you will see that the answer is 25. Tip: For future reference, when you are presented with a problem like "What divided by 5 equals 25?", all you have to do is multiply the two known numbers together.