Smallest Possible LCM

Directions: Using the digits 0-9 at most once, fill in the boxes to make the smallest possible least common multiple.

Hint

How can we tell if your three numbers have any relationship with each other?

How can we use our knowledge of multiples?

Answer

07 14 28 will get us an LCM of 28.

Source: Howie Hua

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7 comments

  1. 13
    29
    47

    it gives a LCM of 1

  2. 07

    14

    28 LCM=28

  3. 17 34 68

  4. Rudolf Österreicher

    To add onto the solution:

    If leading zeros are not allowed, the solution is lcm(18, 27, 54) = 108.

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