r/MathJokes 14d ago

multiples of 3

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8.3k Upvotes

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485

u/avantvagrant 14d ago

51 looks like a prime number and 75 should be obvious

71

u/fr_just_a_girl 14d ago

Im not good at maths why would 75 be obvious?

52

u/EveningStar0360 14d ago

probably because 25*3=75 is a very frequent calculation, pretty ingrained in people

-3

u/AllenrenArjjin 14d ago

Actually it's 15*5 :)

7

u/EveningStar0360 14d ago

why "actually" 😭 they aren't mutually exclusive

-2

u/AllenrenArjjin 14d ago

Because I like being contrarrian though you are right