3 ms·

This can’t be a serious question but the reason is we know how to find primes.

• uabstraction 8y ago
  When all you've got is a hammer, everything looks like a nail.
  • social_quotient 8y ago
    In case anyone wants to know more about the “hammer” expression. I looked it up one day and found it to be interesting https://en.m.wikipedia.org/wiki/Law_of_the_instrument https://en.m.wikipedia.org/wiki/Law_of_the_instrument