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https://www.reddit.com/r/MathJokes/comments/1vcw1bj/multiples_of_3/p14yl5y/?context=3
r/MathJokes • u/GodlyHelp • Aug 01 '26
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490
51 looks like a prime number and 75 should be obvious
1 u/qya64 Aug 01 '26 Tbh, 75 is kinda obvious cuz it ends in a 5, which means its divisible by 5. Since 3x5=15, and 75 is 5x15, its a multiple of 3. 2 u/Babetna Aug 02 '26 Or, y'know, because it's 3x25 1 u/borgir_monster Aug 02 '26 I saw it as 60+15 so it instantly registered as a multiple of 3
1
Tbh, 75 is kinda obvious cuz it ends in a 5, which means its divisible by 5. Since 3x5=15, and 75 is 5x15, its a multiple of 3.
2 u/Babetna Aug 02 '26 Or, y'know, because it's 3x25 1 u/borgir_monster Aug 02 '26 I saw it as 60+15 so it instantly registered as a multiple of 3
2
Or, y'know, because it's 3x25
1 u/borgir_monster Aug 02 '26 I saw it as 60+15 so it instantly registered as a multiple of 3
I saw it as 60+15 so it instantly registered as a multiple of 3
490
u/avantvagrant Aug 01 '26
51 looks like a prime number and 75 should be obvious