# Blog

## Flowchart for Calculating GCD (Greatest Common Divisor )

The Flowchart given here represents the calculation of GCD (Greatest Common Divisor). The above flowchart is drawn in the Raptor tool. The flowchart represents the flow for finding Greatest Common Divisor Example: GCD of two numbers 12 & 24 is 12

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## Flowchart for Reverse of a Number

The following flowchart represents the reverse of a given number. The user needs to input a value during run time and output will be generated with reverse of a given number. Flowchart for Reverse of a Number:

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## Flowchart for Fibonacci Series up to Given Number

The following figure shows the flowchart for Fibonacci Series up to a given number. The number is considered as a variable “len” in the flowchart. Check the following C-Programs for Fibonacci series. C Program for Fibonacci Series using While Loop C program for Fibonacci Series using do-while Loop Flowchart Example Fibonacci series: input: 10  Output:  …

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## Flowchart to Find Prime Numbers in a Given Range

Raptor Flowchart for finding the prime numbers in a given range. The user should input the value to find the all possible prime numbers is that range starting from 2. The user input maybe prime numbers between 1 to 50 or prime numbers between 1 to 100, etc. What is Prime Number Prime number is …

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## Flowchart to Print Pyramid of Numbers

The following flowchart prints the pyramid of numbers. The flowchart drawn using raptor to execute the correctness in the printing the pyramid of numbers. The flowchart executed and produced output successfully. The C program for to print pyramid of numbers: C Program to Print Pyramid of Numbers Flowchart for printing pyramid of numbers enter no. of …

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