5187417

This number is a composite.

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5187417 is the largest composite that produces seven primes after a digit (one at a time) is dropped: 187417, 587417, 517417, 518417, 518717, 518747, 518741. Found by Wilfrid Whiteside. [Rivera]

Submitted: 2018-09-12 21:05:09;   Last Modified: 2019-01-29 19:31:41.
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