CLS INPUT P IF (P MOD 2)==0 THEN GOTO @NOT_P IF (P MOD 3)==0 THEN GOTO @NOT_P IF (P MOD 5)==0 THEN GOTO @NOT_P IF (P MOD 7)==0 THEN GOTO @NOT_P ? P;"は素数" WAIT 150 END @NOT_P ? P;"は合成数" WAIT 150 END とか・・・?