Product of any two even integers is a multiple of 4

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nastygoalie89
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I am having the hardest time proving that
"The product of any two even integers is a multiple of 4."
My proof seems to be going in circles! Any guidance would be amazing!
 
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Welcome to PF!

Hi nastygoalie89! Welcome to PF! :smile:

Start "Let the integers be 2a and 2b …" :wink:
 

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