18947...41511 (40-digits)
This number is a prime.
1894741890 2197241823 1627351218 1213141511
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A left-truncatable prime of order two. By taking off two digits at a time, from the left, the number stays prime until you get down to two digits. [Patterson]
Submitted: 2003-03-17 22:05:08; Last Modified: 2008-01-30 17:19:33.
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