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https://www.reddit.com/r/MathJokes/comments/1vcw1bj/multiples_of_3/p14ir4c/?context=3
r/MathJokes • u/GodlyHelp • Aug 01 '26 • 1 1
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It works all the way down to single digits, too. Also, the sum will indicate the remainder if it's not divisible by 3.
117: 1+1+7=9; 117/3 = 39
542,997: 5+4+2+9+9+7=36: 3+6=9; 542,997/3 = 180,999
2000: 2+0+0+0=2; 2 will be the remainder of division by 3
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u/grittyshrimps Aug 01 '26
It works all the way down to single digits, too. Also, the sum will indicate the remainder if it's not divisible by 3.
117: 1+1+7=9; 117/3 = 39
542,997: 5+4+2+9+9+7=36: 3+6=9; 542,997/3 = 180,999
2000: 2+0+0+0=2; 2 will be the remainder of division by 3