What Times Seven Is All Fours?

What is the smallest integer that is all 4s when multiplied by 7?

63,492 × 7 = 444,444

Posted in Brain Teasers


1 Comment on "What Times Seven Is All Fours?"

Ramon says
November 30, 2021 @ 10:17

Come on… you can’t figure this out by thinking about it!

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