This number is a prime.

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The prime number 662551843 can be split into two parts, X=662551 and Y=843. The concatenation of one copy of X followed by k copies of Y is prime for k = 0 to 8. This is the least prime number with this property. [Sigrist]

Submitted: 2020-01-08 19:15:43;   Last Modified: 2020-01-08 19:18:11.
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