uses crt;
var i,n,a,b, uc,bcnn:integer ;
c:array[1..100] of integer;
{--- CTC tim UCLL hai so}
function ucln(a,b:integer):integer;
var r:integer;
begin
r:=a mod b;
while r<>0 do begin a:=b; b:=r; r:= a mod b; end;
ucln:=b;
end;
{--- CTC chinh----}
begin
Write('n= '); readln(n);
for i:=1 to n do
begin write('c[',i,']='); readln(c[i]); end;
for i:= 1 to n do Write(c[i]:3);writeln;
uc:=ucln(c[1], c[2]);
bcnn:=(c[1]*c[2])div uc;
for i:=3 to n do
begin
uc:=ucln(uc,c[i]);
bcnn:= bcnn*c[i] div uc;
end;
Writeln('bcnn =',bcnn);
readln;
end.
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