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?

See The Solution Submitted by Ady TZIDON

No Rating

Comments: ( Back to comment list | You must be logged in to post comments.)

Request for clarification

| Comment 1 of 8

What methods are permitted in creating a prime number from individual digits?

Addition and Subtraction? (ie, 6 - 4 = 2)

Multiplication and Division? (ie, 6/3 = 2)

Other Mathematical operations/ (ie, 3!-1 = 5)

Concatenation? (ie, 1 9 = 19)

Posted by Steve Herman on 2014-05-16 10:27:15

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (22)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info