FPB dan KPK dari72dan105

FPB dan KPK dari72dan105

72 = 2^3 x 3²
105 = 3 x 5 x 7
maka,
FPB = 3

KPK = 2^3 x 3² x 5 x 7 = 8x9x5x7 = 2.520

$72 = 2 times 2 times 2 times 3 times 3 = {2}^{3} times {3}^{2} \ 105 = 3 times 5 times 7 \ fpb = 3 \ kpk = {2}^{3} times {3}^{2} times 5 times 7 = 2520$