All the multiples of 2 except 2 are crossed out as those are not prime numbers. We start at the first prime number, 2, and encircle it. 1 is left out as it is neither prime nor a composite number. All the numbers from 1 to 100 are listed. mark off multiples of each prime number as non-primeįor (var i = 2 i <= Math. Here the steps show how to identify prime numbers between 1 and 100. initialize all elements to true, because we assume all numbers are prime Here's the code to generate prime numbers from 1 to 100 in JavaScript: // create a boolean array of size 100, where each index represents a number from 1 to 100 We start by assuming that all numbers are prime, and then we mark off multiples of each prime number as non-prime. This algorithm works by creating a boolean array of size n (in our case, n = 100), where each index represents a number from 1 to n. To generate prime numbers from 1 to 100 in JavaScript, we can use the Sieve of Eratosthenes algorithm. Programming Language: JavaScript, Popularity : 7/10 Answered on: Fri / Duration: 5-10 min read
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