ggfied: Notice that a^4 divides b^2, so that a^4b^3 divides b^5. Now based on the second hypothesis, what does b^6 divide? Good luck and thanks. Ben
> Date: Sun, 14 Apr 2013 01:58:15 -0400 > From: email@example.com > To: firstname.lastname@example.org > Subject: Discrete Maths Number Theory Problem > > How do i prove the question below? > > "Prove that a^2|b and b^3|c then a^4b^5|c^3."