C Language Programs: Loop-based

Programs related to for loop, while ,loop , do while loop

  1. C program to check and print whether the number is prime number or not

  2. C program to print all prime numbers from 1 to 100

  3. C program to print all prime numbers upto a limit.

  4. C program to print all prime numbers from 100 to 150.

  5. C program to print all prime numbers between lower and upper limit.

  6. C program to print sum of the digits of the number

  7. C program to print product of the digits of the number

  8. C program to check number is a spy number or not (spy number : if sum of the digits and product of the digits is same)

  9. C program to print Reverse of a number

  10. C program to calculate and print reverse of a number

  1. C program to check and print whether the number is palindrome or not.

 

C program to take input for a number check and print whether the number has sum of the digits and prorudt of the digits as same or not?

Ex:
22
2+2=4 : 2*2=4
123
1+2+3=6 : 1*2*3=6
All combinations of 123

C program to take input for a number and print its Reverse.
Ex:
i/p : 1234
o/p : 4321

C program to take input for a number calculate and print is reverse.

C program to take input for a number check and print whether the number is palindrome or not.

Palindrome: if reverse of the number is equal to the number.
Ex: 121, 1221

C program to find length of the numbers (i.e. to count total digits in the number)

C program to take input for a number check and print whether the number is an “ArmStrong” number or not.
Armstrong number(three digit): if sum of the cube of the digits of the number is equal to the number.
Ex:
153: 1+125+27=153
370:
371:
407:

C program to take a number , check and print whether the number is a “Catalyst number/Strong Number” or not?
Catalyst/Strong number : if sum of the factorial of the digits of the number is equal to the number.
145: 1+24+120=145

C program to print Fibonacci series upto the limit.
Given : 0 1
0 1 1 2 3 5 8

WAP to print Fibonacci series upto specified terms.
Example:
terms: 7
Given : 0 1
0 1 1 2 3 5 8

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