Sagot :
Réponse:
405 = 5x81
405 = 5x3x27
405 = 5x3x3x9
405 = 5x3(au carré)x9
195 = 5x39
195 = 5x3x13
2016 = 2x1008
2016 = 2x2x504
2016 = 2x2x2x252
2016 = 2x2x2x2x126
2016 = 2x2x2x2x2x63
2016 = 2x2x2x2x2x3x21
2016 = 2x2x2x2x2x3x3x7
2016 = 2(5)x3(2)x7
9 200 = 5x1840
9 200 = 5x5x368
9 200 = 5x5x2x184
9 200 = 5x5x2x2x92
9 200 = 5x5x2x2x2x46
9 200 = 5x5x2x2x2x2x23