30 CLS
40 LET X = 2
50 LET Y = 3
60 PRINT "WHAT NUMBER WOULD YOU LIKE TO TEST"
70 INPUT Z
72 IF Z / 2 = INT(Z / 2) THEN GOTO 150
110 IF Z / Y = INT(Z / Y) THEN GOTO 153
120 LET Y = Y + X
130 IF Y >= Z THEN GOTO 180
140 GOTO 110
150 PRINT "THE NUMBER YOU CHOSE IS NOT A PRIME NUMBER"
151 PRINT "BECAUSE IT IS DIVISIBLE BY TWO"
152 GOTO 190
153 PRINT "THE NUMBER YOU CHOSE IS NOT A PRIME NUMBER"
154 PRINT "BECAUSE IT IS DIVISIBLE BY THREE"
155 GOTO 190
156 PRINT "THE NUMBER YOU CHOSE IS NOT A PRIME NUMBER"
157 PRINT "BECAUSE IT IS DIVISIBLE BY FIVE"
158 GOTO 190
159 PRINT "THE NUMBER YOU CHOSE IS NOT A PRIME NUMBER"
160 PRINT "BECAUSE IT IS DIVISIBLE BY SEVEN"
161 GOTO 190
162 PRINT "THE NUMBER YOU CHOSE IS NOT A PRIME NUMBER"
163 PRINT "BECAUSE IT IS DIVISIBLE BY ELEVEN"
164 GOTO 190
165 PRINT "THE NUMBER YOU CHOSE IS NOT A PRIME NUMBER"
166 PRINT "BECAUSE IT IS DIVISIBLE BY THIRTEEN"
167 GOTO 190
180 PRINT "THE NUMBER YOU CHOSE IS A PRIME NUMBER"
190 PRINT "DONE"
200 END