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Old 2020-11-23, 22:43   #53
EdH
 
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"Ed Hall"
Dec 2009
Adirondack Mtns

363410 Posts
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I factored just over 12k small primes out of the digit sizes for 92 through 97 so far today. Despite that 12k composites were removed, the region GREW by nearly 3k!

However, <91 briefly looks better. . .
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