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This number is a composite.
Single Curio View: (Seek other curios for this number)48521289384447 produces 101 primes in its Collatz trajectory. Found By Seiji Tomita, 22 April 2018. [Rivera]
Submitted: 2018-06-06 16:22:07; Last Modified: 2018-09-29 15:16:19.
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