There is a natural number that leaves 1 when divided by 2, 2 when divided by 3, 3 when divided by 5, 4 when divided by 5, and 5 when divided by 6. What is the smallest number?
有一个自然数，除以2余1，除以3余2，除以4余3，除以5余4，除以6余5，则这个数最小是多少．
<gadget id="calculator">60 - 1</gadget>
<output>59</output>

<result>59</result>