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Number Theory

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For this quiz you might need either a calculator or paper and pencil, unless you are really good at mental arithmetic. The quiz will provide two...
Can you determine the greatest common factor of two integers? We'll give you the two numbers; you select the GCF from the list of possible answers!

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Greatest Common Factors, Least Common Multiples, Number Bases

Understanding Coronavirus Spread

A Question and Answer session with Professor Puzzler about the math behind infection spread.

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