prime numbers

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29 07, 2017

What are factors? Factors and prime numbers

By |2019-06-04T04:38:49-07:00July 29th, 2017|Math|0 Comments

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. For example, 3 is a factor of 9, because you can fit 3 evenly three times into 9: 3 x 3 = 9. [...]

18 07, 2017

Who was Eratosthenes? Astronomy and math

By |2019-05-30T20:45:26-07:00July 18th, 2017|Africa, Egypt, Science|0 Comments

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 born in Cyrene (modern Libya), in North Africa. North African history Early Egyptian science African science and math All our Africa articles Chief [...]