If a number can be divisible by two and three at the same time, it must be divisible by six______ ．

The characteristic of the number that can be divided by 2 and 3 at the same time is: the number on each digit must be even, and the sum of the numbers on each digit is a multiple of 3, and the minimum is 6; therefore, it is correct that a number can be divided by 2 and 3 at the same time, and the number must be divided by 6

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