Just a couple of theoretical questions

tolosenc

Essentially, divisibility of integers is coming into play for some of the Maths assignment I have for college.

I'm wondering two things:
1) Is it true to say that zero is divisible by, say, 7?
2) And again to use 7, is negative seven divisible by seven?

evil-monkey

obl wrote: »

Essentially, divisibility of integers is coming into play for some of the Maths assignment I have for college.

I'm wondering two things:
1) Is it true to say that zero is divisible by, say, 7?
2) And again to use 7, is negative seven divisible by seven?

1) Yes. Divide 0 seven times and you get 0. You can divide nothing as many times you want...you'll always get the same answer, but it is possible of course.

2) Yes. The answer is -1. Essentially, you can divide any number by any number, apart from 0.

cool cool??

tolosenc

That's what I had assumed, but that just makes an assignment we were given 3 weeks to do into 45 mins of work, just wanted to check.

SkepticOne

evil-monkey wrote: »

2) Yes. The answer is -1. Essentially, you can divide any number by any number, apart from 0.

I think in the context of the original posting we are dealing only with division giving an integer result.