Talk:Williams tube

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Highest factor of 2^18? Highly unlikely[edit]

I seriously doubt Tom Kilburn wrote a 17-line program to calculate the highest factor of 218. Anyone who had access to that computer would probably have known that to be 2.

218 + 1 and 218 - 1 are more likely candidates, with 218 - 1 a bit more likely even though it equals (29 + 1)(29 - 1). —Preceding unsigned comment added by (talk) 21:29, 14 May 2011 (UTC)