Bonjour besoin d’aide merci d’avance

Bonsoir,

51 /3=17

=> 3*17

55/5 =11

=> 5*11

58/2 = 29

=> = 2*29

91/7=13

=> 7*13

106/2 = 53

=> 2*53

141/3=47

=> 3*47

205/5 = 41

=> 5*41

217 /7= 31

=> 7*31

292/2 = 146

146/2 =73

=> 2*2 *73

473/11 = 43

=> 11*43

740/2 = 370

370/2 =185

185/5 = 37

=> 2*5*5*37

873/3 = 291

291/ 3 = 97

=> 3*3*97

1 900/2 = 950

950/2=475

475/5=95

95/5=19

=> 2*2*5*5*19