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Old 2007-01-05, 23:33   #10
jasong
 
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"Jason Goatcher"
Mar 2005

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It seems very likely like 14*8^n-1 is composite for all n. NewPgen says it's composite for all n up to 50,000,000.

Edit: Reserving 92*17^n-1

Edit: 92*17^4-1 trivially factors prime!: 7683931

could there be typos in that message?

Edit: reserving 4*9^n-1(yes, I know, I'm editing like crazy.)

Last fiddled with by jasong on 2007-01-05 at 23:45
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