RosettaCodeData/Task/Primality-by-trial-division/Applesoft-BASIC/primality-by-trial-division.basic
2023-07-22 21:42:12 -07:00

11 lines
452 B
Text

100 DEF FN MOD(NUM) = NUM - INT (NUM / DIV) * DIV: REM NUM MOD DIV
110 FOR I = 1 TO 99
120 V = I: GOSUB 200"ISPRIME
130 IF ISPRIME THEN PRINT " "I;
140 NEXT I
150 END
200 ISPRIME = FALSE: IF V < 2 THEN RETURN
210 DIV = 2:ISPRIME = FN MOD(V): IF NOT ISPRIME THEN ISPRIME = V = 2: RETURN
220 LIMIT = SQR (V): IF LIMIT > = 3 THEN FOR DIV = 3 TO LIMIT STEP 2:ISPRIME = FN MOD(V): IF ISPRIME THEN NEXT DIV
230 RETURN