perplexus.info :: Numbers : SuDoKu Prime

SuDoKu Prime (Posted on 2007-06-03)

Fill a 9x9 grid with only the digits 1 to 9.

Each row and column should comprise of three 3-digit primes.
In each of the second, fifth and eighth rows and in each of the the second, fifth and eighth columns, the three 3-digit primes, in SuDoDu fashion, every digit 1 to 9 will be used once.
In all other rows and columns digits may be repeated.
All 3-digit primes should be distinct.

More than one solution may exist.

Submitted by Dej Mar

Rating: 4.0000 (3 votes)

Solution: (Hide)

One of the solutions is as follows:
1 9 9 | 1 9 7 | 8 8 7 1 4 9 | 5 6 3 | 8 2 7 3 1 1 | 1 7 3 | 1 9 3 ------+-------+------ 2 2 9 | 4 4 9 | 3 5 3 5 6 9 | 8 2 1 | 7 4 3 1 3 7 | 7 1 9 | 9 7 1 ------+-------+------ 1 5 7 | 2 8 1 | 6 1 9 3 8 9 | 2 5 7 | 4 6 1 9 7 7 | 7 3 9 | 1 3 1

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

Subject	Author	Date
Puzzle Answer	K Sengupta	2023-08-30 21:56:31
Solution	Leming	2007-06-04 16:41:35
Hmmmm....	Charlie	2007-06-04 15:40:31

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