Tuesday, 19 June 2018

Generate 2000 Prime numbers


Algorithm for checking the prime number or not
(Extend the same to generate 2000 prime numbers)
According to mathematics, the maximum checks are in the range 2 to number/2 with a increment of 1 for every check – LOGIC
According to logic,
Step 1: Declare the three variables, use one variable as flag, another two to carry out ‘for’ loop
Step 2: Write a for loop with conditions, start loop from 2 and execute till number/2 with a increment of 1 (I = 2; I<=number/2; I++), set flag equals to 0.
Step 3: Find the remainder of a number starting from 2 and check for other number till number/2
Example: if the checking number is 1000 the starting number is 2 to 500  (number/2)
If remainder is equal to zero set the flag = 1 and terminate the loop
Repeat the step 3 till the loop count reaches the number/2.
Step 4: Print the results when flag ==0.
Flag ==1 not a prime number

For clear vision follow the below video 

https://youtu.be/eW2gQHXmkCU



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