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It is called Eratosthenes' Sieve. Here is a brief illustration of it:
First, make a sequential list of the numbers you wish to check, starting with 1.
1 2 3 4 5 6 7 8 9 10
Ignore 1 and move to 2. Cross off every second number after 2.
1 2 3 4 5 6 7 8 9 10
Move to the next number which is not crossed off - in this case, 3. Cross off every third number after 3.
1 2 3 4 5 6 7 8 9 10
Continue with each number that is not crossed off. The numbers that remain are the prime numbers.
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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.
Who device the method that will separate prime from a set of whole numbers?
Eratosthenes created a sieve that will do that.
How did Eratosthenes invent prime numbers?
Prime numbers are not invented.
When did Eratosthenes find prime numbers?
Eratosthenes lived between 276 and 194 B.C. He didn't discover prime numbers; he devised a simple way to determine what numbers are prime in a given range.
How many even prime numbers are there in a sieve of Eratosthenes?
One
What is the name of Eratosthenes' method of finding composite numbers?
Eratosthenes' method of finding prime and composite number is called 'The Sieve of Eratosthene'.
What is the name of Eratosthenes method of finding prime numbers?
It is called a sieve.
How was the Mathematician who found a very simple method for finding the prime and composite numbers in the third century BC?
Eratosthenes
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.
Who was the mathematician who suggested a simple method for finding the prime numbers up to a given natural number?
The method of sieving the multiples of prime numbers until only the prime numbers remain, while attributed to Eratosthenes, is originally thought to have been the work of Nicomachus.
Who device the method that will separate prime from a set of whole numbers?
Eratosthenes created a sieve that will do that.
Who is the founder of prime numbers?
Eratosthenes, It says it is Eratosthenes.
How did Eratosthenes invent prime numbers?
Prime numbers are not invented.
How many prime numbers are located on sieve of erastosthenes?
The sieve of Eratosthenes is a simple, ancient algorithm for finding all prime numbers up to any given limit.
When did Eratosthenes find prime numbers?
Eratosthenes lived between 276 and 194 B.C. He didn't discover prime numbers; he devised a simple way to determine what numbers are prime in a given range.
Did eratosthenes make a mistake in prime numbers?
The algorithm for identifying prime numbers which is known as the Sieve of Eratosthenes has been accepted as accurate for thousands of years.
What did the sieve of Eratosthenes used to find?
prime numbers
