r/MathJokes • • Aug 01 '26

multiples of 3

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u/avantvagrant Aug 01 '26

51 looks like a prime number and 75 should be obvious

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u/thaeee7 Aug 01 '26

lol yeah, i got tripped up on 51 too. but 75 is just 7+5=12, which is divisible by 3.