0%

Problem 5


Problem 5


Smallest multiple

$2520$ is the smallest number that can be divided by each of the numbers from $1$ to $10$ without any remainder.

What is the smallest positive number that is evenly divisible by all of the numbers from $1$ to $20$?


最小公倍数

$2520$是最小的能够被$1$到$10$整除的数。

最小的能够被$1$到$20$整除的正数是多少?