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4€{1,2,4} 9€{1,3,9} coroniță ?
4 are exact 3 divizori (1; 2; 4 ) 9 ,, ,, ,, ,, (1; 3; 9 ) 25 ,, ,, ,, ,, (1; 5; 25) 49 ,, ,, ,, ,, (1; 7; 49) s.a.m.d.
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4€{1,2,4} 9€{1,3,9} coroniță ?
4 are exact 3 divizori (1; 2; 4 ) 9 ,, ,, ,, ,, (1; 3; 9 ) 25 ,, ,, ,, ,, (1; 5; 25) 49 ,, ,, ,, ,, (1; 7; 49) s.a.m.d.