What are factors? Factors and prime numbers
What are factors? Factors of a number: Three is a factor of nine. What are factors of a number? A factor is a whole number that fits evenly into another whole number. [...]
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Who was Eratosthenes? Astronomy and math
Eratosthenes of Cyrene went to school here! A classroom at the University of Alexandria (al-Ahram 2004). Who was Eratosthenes of Cyrene? Eratosthenes of Cyrene was born about 276 BC. He was [...]
