Question

va rogg, am nevoie urgentt. La 11.Va rogg multt​

Answer 1

Orice număr prim, la pătrat, are exact 3 divizori.

$11^2=121\\D_{121}=\{1,11,121\}$

Obținem 121, 169, 289, 361, 529, 841, 961 care sunt pătratele numerelor 11, 13, 17, 19, 23, 29, 31.