Thread: 7-9-13
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Old September 7 2013, 03:16 PM   #20
Collingwood Nick
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Re: 7-9-13

trekkiedane wrote: View Post
7-9-13 are primes, perhaps that's why folk-'wisdom' has ordained them with super-magic powers!?!
I'm sure it's been brought up already, but 9 is 3x3. The prime series you are thinking of is probably 7-11-13.
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