You say a number with 10 million 1s is prime?  That number is divisible
by 3.

 

-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Molly Dixon
Sent: Saturday, February 23, 2008 10:40 PM
To: [email protected]; [email protected]
Subject: [Prime] A Prime number discovery not sure if already discovered

i have figured out that most numbers with all 1s for digits are prime
with this one exception if the number has 3 6 9 12 15 and all other
numbers that have 3 as a factor   for the amount if digits in the
number. There for 10 million 1s would be prime.






 
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