Write a c program that can identify twin primes

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Reference no: EM132153502

Twin primes are pairs of primes that are separated by 2, example:

3/5 are twin primes, 5/7 are twin, and 11/13 are also twin primes.

Write a c program that can identify twin primes and ignoring the first 99,999 pairs, what is the 100,000 twin prime? (hint: you should get the values: 18409199, 18409201)

In addition, you need to have the program determine how long it takes to calculate this pair. A reasonable target is approx. 8 seconds or less. Display the time in milli-seconds.

Example:

Starting....

18409199, 18409201

Completed in: 7.438 seconds

I suggest using the ‘C' library function: clock() which returns a time count in milliseconds. If you perform the following sequence, you will be able to determine how long the program takes to complete:

int time_beg, time_end, time_elapsed;

time_beg = clock();

Do_Prime_Number_Calc();

time_end = clock();

time_elapsed = time_end - time_beg;

Reference no: EM132153502

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