perplexus.info :: Numbers : The highest prime

The highest prime (Posted on 2014-05-16)

You are requested to partition the set of 10 digits (0,1,…,9) into a maximal number of subsets, such that in each set it is possible to create a prime number
using all its members.

What is the highest prime thus created?

Submitted by Ady TZIDON

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Solution: (Hide)

8609 is the largest prime.
The six subsets are: 2 3 5 7 41 8609
c. some creative posts by solvers.

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
my computer solution -- concatenation assumed	Charlie	2014-05-16 12:49:52
re: Hard 8	Ady TZIDON	2014-05-16 12:15:42
re: Lucky 7 ok,but....	Ady TZIDON	2014-05-16 12:09:49
Hard 8	tomarken	2014-05-16 12:09:28
Lucky 7	Steve Herman	2014-05-16 11:30:33
re: Possible solution	tomarken	2014-05-16 10:55:39
Possible solution	Jer	2014-05-16 10:31:41
Request for clarification	Steve Herman	2014-05-16 10:27:15

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