What is the algorithm to find the sum of prime numbers in the input in python

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What is the algorithm to find the sum of prime numbers in the input in python?
Feb 22 in Python by Prateek
• 180 points
199 views

1 answer to this question.

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To find the sum of prime numbers in a given list of numbers, follow this algorithm:

  1. Initialize a sum variable to 0 to keep track of the sum of prime numbers.
  2. For each number in the input list, perform the following steps:
    • Check if the number is greater than 1, because prime numbers are greater than 1.
    • Check if the number is prime by trying to divide it by all smaller numbers from 2 up to its square root. If it is divisible by any such number, it is not prime.
      • Start a loop from 2 to the square root of the number.
      • If the current number is divisible by any of these numbers, it's not a prime number. Break the loop and consider the next number in the list.
    • If the number is prime (i.e., it passes the above check), add it to the sum.
  3. After checking all numbers, return or output the sum of the prime numbers.
answered Mar 1 by Shubh Saxena

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