RosettaCodeData/Task/Semiprime/ALGOL-W/semiprime.alg
2023-07-01 13:44:08 -04:00

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Text

begin % find some semi-primes - numbers with exactly 2 prime factors %
logical procedure isSemiPrime( integer value v ) ;
begin
integer a, b, c;
a := 2; b := 0; c := v;
while b < 3 and c > 1 do begin
if c rem a = 0 then begin
c := c div a;
b := b + 1
end
else a := a + 1;
end while_b_lt_3_and_c_ne_1 ;
b = 2
end isSemiPrime ;
for x := 2 until 99 do begin
if isSemiPrime( x ) then writeon( i_w := 1, s_w := 0, x, " " )
end for_x
end.