function Tinh_UCLN_BCNN()

clc;

a = input('nhap vao so a: ');

b = input('nhap vao so b: ');

UCLN = 0;

BCNN = 0;

Tich = a*b;

while (a~=b)

if (a>b)

    a = a-b;

end

if (b>a)

    b = b-a;

end

end

UCLN = a;

BCNN = Tich./UCLN;

fprintf ('uoc chung lon nhat cua a va b la: %d

', UCLN);

fprintf ('boi chung nho nhat cua a va b la: %d

', BCNN);