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06-29-2018, 03:40 AM
Post: #1
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puzzle
How many 4-digit arrangements of the digits of the number 1232 are prime?
How many 4-digit arrangements would you have to check? Is there a way to check other than an electronic prime factor finder or our old friend, brute force? |
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| Messages In This Thread |
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puzzle - Don Shepherd - 06-29-2018 03:40 AM
RE: puzzle - Thomas Klemm - 06-29-2018, 04:27 AM
RE: puzzle - ijabbott - 06-29-2018, 07:53 AM
RE: puzzle - Don Shepherd - 06-29-2018, 12:15 PM
RE: puzzle - Thomas Klemm - 06-29-2018, 02:08 PM
RE: puzzle - brickviking - 06-30-2018, 11:32 PM
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