The prime factors of a composite number after decomposition are all prime numbers within 10, what is the smallest composite number.
一个合数分解后的质因数是10以内的所有的质数，这个合数最小是多少．
<gadget id="calculator">2 * 3 * 5 * 7</gadget>
<output>210</output>

<result>210</result>