Question

Write a QB program to accept a number from the user and check whether it is prime or composite using [DO WHILE….] loop. ​

Answer 1

Answer:

CLS

INPUT "ENTER A NUMBER"; N

FOR I = 2 TO N / 2

IF N MOD I = 0 THEN

C = C + 2

END IF

NEXT I

IF C > 0 THEN

PRINT "IT IS COMPOSITE"

ELSE

PRINT "IT IS PRIME"

END IF

END