1 and Prime Numbers - Numberphile
Is 1 a prime number? Apparently not. Dr James Grime explains. Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Videos by Brady Haran James Grime's website is: http://singingbanana.com/
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