Question

Determinați cel mai mic numar natural abc divizibil cu 9 pentru care abc are 12 divizori, iar bca are 6 divizori. Vă rog daubmulte puncte!! ​

Answer 1

Răspuns:

$abc:9=x\\\\\100:9=11 rest 1= > x=12\\\\abc:9=12= > abc=9*12\\\\abc=108\\\\D_{108}= 1; 2; 3; 4; 6; 9; 12; 18; 27; 36; 54 ; 108 -12. divizori\\\\cba=801\\\\D_{801} =1; 3; 9; 89; 267 ; 801$