3311
This number is a composite.
Just showing those entries submitted by 'Rivera': (Click here to show all)
3311 is the first composite with three distinct prime
factors (7*11*43) such that all the six possible
permutations concatenated from its three prime factors are
primes: 71143, 74311, 11743, 11437, 43711 and 43117. [Rivera]
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