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Proof: The Sum of Prime Twins is Divisible by 12

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Author:Mathematics Dept., College of Marin
Description: Prime twins are prime numbers that are two numbers apart. For example 41 and 43 are prime twins. Can you PROVE that the sum of prime twins is divisible by 12? (This proof doesn't work for the prime twins 3 and 5.)

Levels: Middle School (6-8), High School (9-12), College
Languages: English
Resource Types: Problems/Puzzles
Math Topics: Prime Numbers, Logic/Foundations

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