If the three natural numbers 13511, 13903, and 14589 are divided by a natural number, the remainders are the same. So, what is the largest natural number?
如果13511、13903、14589三个自然数被一个自然数去除，所得的余数相同．那么，这个自然数最大是多少．
<gadget id="calculator">2 * 7 * 7</gadget>
<output>98</output>

<result>98</result>