Question

write a qbasic program to accept a number and check if it is prime or composite using Do While loop

Answer 1

Answer:

CLS

INPUT "ENTER ANY NUMBER"; N

C = 0

FOR I = 1 TO N

IF N MOD I = 0 THEN C = C + 1

NEXT I

IF C = 2 THEN

PRINT N; "IS PRIME NUMBER"

ELSE

PRINT N; "IS COMPOSITE NUMBER"

END IF

END

Explanation: