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Earn +20 ptsQ: When did Eratosthenes find prime numbers?
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How did Eratosthenes invent prime numbers?
Prime numbers are not invented.
How many even prime numbers are there in a sieve of Eratosthenes?
One
What did eratosthenes devise for locating with relative efficiency prime numbers?
A sieve.
Did Eratosthenes invent prime numbers?
No, although he did devise a way to predict them.
Why is the prime number grid called the sieve?
One method for finding prime numbers is called the "Sieve of Eratosthenes" because it basically "sifts" through the numbers looking for numbers that are not not prime.
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