How Did Eratosthenes Develop a Method to Find Primes?

💡 The Answer

• Eratosthenes of Cyrene invented the eratosthenes" class="text-purple-600 hover:text-purple-800 hover:underline font-medium">Sieve of Eratosthenes around 240 BC.
• The algorithm starts by listing numbers from 2 upward and marking multiples.
• Unmarked numbers that remain are primes.
• This method is still taught today as an efficient way to generate primes up to a limit.