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Old 2006-11-24, 21:15   #2
T.Rex
 
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Feb 2004
France

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There is a mistake on this page.
Cullen numbers are: n*2^n+1 and the last one is said to be: 338707 ยท 2^1354830+1 (a*2^b+1 where a!=b !!!!).
On the page:Cullen Primes it is said that the new and biggest one is: 1354828*2^1354828+1 .
T.
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