Sagot :
Bonjour,
a)
1 043 504 /2 =521 752
521 752/2 =260 876
260 876/2 = 130 438
130 438/2 = 6 5219
6 5219/7 = 9 317
9 317/7 =1 331
1 331/11 = 121
12//11= 11
=> 2*2*2*2 *7*7*11*11
=> 2^4 * 7² *11³
13 000/2= 6 500
6 500/2 = 3 250
3 250/2 =1 625
1 625/5 =325
325/5 =65
65/5 =13
=> 2*2*2* 5*5*5*13
=>2³ * 5³ *13
21 126/2 =10 563
10 563/ 3 =3 521
3 521/7 = 503
=> 2*3*7 *503
Réponse :
bonjour
1 043 504 = 2 x 521 752
521 752 = 2 x 260 876
260876 = 2 x 130 438
130 438 = 2 x 65 219
65 219 = 7 x 9 313
9 313 = 7 x 1 331
1 331 = 11 x 121
121 = 11 x 11
11 = 11 x 1
2 ⁴ x 7 ² x 11 ³
13 000 = 2 x 6 500
6 500 = 2 x 3 250
3 250 = 2 x 1 625
1 625 = 5 x 325
325 = 5 x 65
65 = 5 x 13
13 = 13 x 1
2³ x 5 ³ x 13
21 216 = 2 x 10 608
10 608 = 2 x 5 304
5 304 = 2 x 2 652
2 652 = 2 x 1 326
1 326 = 2 x 663
663 = 3 x 221
221 = 13 x 17
17 = 17 x 1
2 ⁵ x 3 x 13 x 17
Explications étape par étape :