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Which 2 digit number takes the longest to get down to 1 digit by multiplying the digits together eg 34 gives 3 x 4 equals 12 then 1 x 2 equals 2?
Updated: 9/20/2023
Wiki User
∙ 12y agoBest Answer
77.
This is the only one that takes 4 steps: from 77 to 49 to 36 to 18 to 8.
Wiki User
∙ 12y agoThis answer is:
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Earn +20 ptsQ: Which 2 digit number takes the longest to get down to 1 digit by multiplying the digits together eg 34 gives 3 x 4 equals 12 then 1 x 2 equals 2?
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