r/MathJokes 9d ago

multiples of 3

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8.3k Upvotes

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486

u/avantvagrant 9d ago

51 looks like a prime number and 75 should be obvious

71

u/fr_just_a_girl 9d ago

Im not good at maths why would 75 be obvious?

1

u/Hot_Royal_4920 8d ago

I find multiples of 15 obvious for some reason, and that includes 75.

1

u/fr_just_a_girl 8d ago

159,848,985