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Old 2016-03-15, 23:14   #1
PawnProver44
 
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"NOT A TROLL"
Mar 2016
California

3058 Posts
Post Switching digits test

Can anyone switch the digits of 9293392505711486960894715862 without adding or taking digits to form a prime? I am surprised to see if anyone can do that. Here is an example puzzle:

Original Number: 2841920

Prime formed: 4892201

This is just a small example, see. For larger numbers, I am not so sure.
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