Find the greatest common factors of the monomials `21 a^3b^7\ a n d\ \ 35 a^5b^5`

Explanation

Given:

`21 a^3b^7\ a n d\ \ 35 a^5b^5`

Prime factorization of `21a^3b^7 = 3 xx 7a^3b^7`

Prime factorization of `35a^5b^5 = 5 xx 7a^5b^5`
=> =`7a^3b^5`

greatest common factor is `7a^3b^5`