Răspuns :
a) a=54 = 2*3³ b) a =250 = 2*5³ c) a = 196 = 2²*7²
b=90 = 2*3²*5 b =300 = 2²*3*5² b =280 = 2³*5*7
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(a;b) = 2*3² = 18; (a;b) = 2*5² = 50; (a;b) = 2*7= 14;
d) a = 324 = 2²*3⁴ e) a = 250 = 2* 5³ f) a = 144 = 2⁴*3²
b = 216 = 2³*3³ b = 300 = 2²*3*5² b = 180 = 2²*3²*5
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(a;b) = 2²*3² = 36 ; (a;b) = 2*5² = 50 ; (a;b) = 2²*3² = 36 ;
b=90 = 2*3²*5 b =300 = 2²*3*5² b =280 = 2³*5*7
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(a;b) = 2*3² = 18; (a;b) = 2*5² = 50; (a;b) = 2*7= 14;
d) a = 324 = 2²*3⁴ e) a = 250 = 2* 5³ f) a = 144 = 2⁴*3²
b = 216 = 2³*3³ b = 300 = 2²*3*5² b = 180 = 2²*3²*5
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(a;b) = 2²*3² = 36 ; (a;b) = 2*5² = 50 ; (a;b) = 2²*3² = 36 ;