88888...22227 (42-digits)

This number is a prime.

88 8888888888 8888666666 6666664444 4044422227

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The largest almost-all-even-digits prime containing one zero and 2*d times every nonzero even-digit d. [Loungrides]

Submitted: 2010-01-17 04:22:31; Last Modified: 2010-01-18 18:23:32.