He postulated the circumference of the earth.
The sieve of Eratosthenes was discovered in 223 BC.
No.
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He did not do so. Earth was well-known to be a globe for at least two hundred years before Eratosthenes' time. What Eratosthenes did was to measure the earth's circumference for the first time. He did that at some time between 236 BC and 195 BC.
some parents and 57 sisters and brothers
The used an orange
Eratosthenes
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.
Eratosthenes was from ancient greek
Eratosthenes, It says it is Eratosthenes.
Eratosthenes, a greek philosopher, did, hence the name.
The sieve of Eratosthenes was discovered in 223 BC.
Eratosthenes' friend was Archimedes, he also works in Alexandria, Egypt.
Yes and his mother and father were part of the family.
The book Eratosthenes is by Duane W. Roller. This book is written about Geography.
No.
No.