3203000719597029781
This number is a prime.
320300071 9597029781
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The start of a record-breaking Cunningham chain (2nd kind). It has length 16 and was found by Tony Forbes on December 5, 1997.
Submitted: 2006-08-15 20:17:30; Last Modified: 2008-12-12 21:19:15.
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