Question 1011861
14^5*15^6*6^2/10^7*21^5
= {{{2^5*7^5*3^6*2^6*2^2*3^2/(2^7*5^7*3^5*7^5)}}}
= {{{2^13*3^8*7^5/(2^7*3^5*5^7*7^5)}}}
= {{{2^6*3^3/5^7}}}