Respostas

2014-08-18T12:49:11-03:00
80 = 2*2*2*2*5 = 2^{4} *5
60 =2*2*5*3 = 2^{2} *5*3
125 = 5*5*5 = 5^{3}
154 = 2*2*5*7 = 2^{2} *5*7
220 = 2*2*2*5*5 = 2^{3} * 5^{2}
312 = 2*2*2*3*13 =  2^{3}  *3*13
578 = 17*17*2 =  17^{2}*2

Espero ter ajudado...