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# Who was eratosthenes what did he find by his calculations?

Updated: 9/24/2023

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THE EARLIEST KNOWN MEASUREMENTS WERE CALCULATED IN 200 BCE THE GREEK PHILOSOPHER ERATOSTHENES ACCORDING TO HIS CALCULATIONS THE CIRCUMFERENCE OF the earthWAS 39,600 KM....

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Q: Who was eratosthenes what did he find by his calculations?
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### What did eratosthenes want to find?

he wanted to find the circumference of the earth.

prime numbers

### What was eratosthenes ideas to the solar system?

He thought that the Earth was round. And by doing a bit of basic geomtery he found out how big it was. He was RIGHT! His calculations were very accurate!

### Where was Eratosthenes from?

Eratosthenes was from ancient greek

### Who is the founder of prime numbers?

Eratosthenes, It says it is Eratosthenes.

### How do you find the greatest common factor of 18 and 54 using the sieve of eratosthenes?

By finding all the factors of the numbers and see which one is the biggest # they have in common. Or look at the Sieve of Eratosthenes table at google.com and there you will find the answer.or by looking at a sieve of Eratosthenes and crossing out the factors of each number and seeing which two factors are the same but the highest out of them both.

### Where did Eratosthenes Sieve invent prime no?

The Sieve did not invent prime numbers. It was used to find them.

### 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.

### Who created the sieve of eratosthenes?

Eratosthenes, a greek philosopher, did, hence the name.

### When did Eratosthenes discover the sieve?

The sieve of Eratosthenes was discovered in 223 BC.

### Who were eratosthenes friends?

Eratosthenes' friend was Archimedes, he also works in Alexandria, Egypt.

### Did Eratosthenes have a family?

Yes and his mother and father were part of the family.