Xiaohua has a six-digit QQ number ABCDEF. It is known that A is the smallest composite number; B is both an odd number and a composite number; C has only one factor; D is a prime number and an even number; E has both factors 2 and There is a factor of 3; F is the largest even number within 10. Xiaohua's QQ number is: how many.
小华有一个六位数的QQ号ABCDEF，已知A是最小的合数；B既是奇数，又是合数；C只有一个因数；D是质数，又是偶数；E既有因数2，又有因数3；F是10以内最大的一位偶数．小华的QQ号是：多少．
<result>491_268</result>