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Crossnumber III (Posted on 2013-08-29) Difficulty: 3 of 5
           +----+----+----+        
           | A  | B  | C  | 
           +----+----+----+ 
           | D  |    |    |    
 +----+----+----+----+----+----+----+     
 | E  | F  | G  |    | H  | I  | J  |   
 +----+----+----+----+----+----+----+
 | K  |    |    |/// | L  |    |    |
 +----+----+----+----+----+----+----+ 
 | M  |    | N  | O  | P  |    |    |   
 +----+----+----+----+----+----+----+     
           | Q  |    |    |    
           +----+----+----+  
           | R  |    |    |  
           +----+----+----+
  1. The answer to each of the clues in this crossnumber puzzle is a prime number.
  2. The clue for each number is the product of its digits.
  3. Each square is occupied by a single digit.
 ACROSS                           DOWN
 A 12                             A 36            
 D 63                             B 189
 E 36                             C 21
 G 189                            E 36
 H 98                             F 270 
 K 10                             G 3                       
 L 252                            H 84          
 M 81                             I 14
 N 27                             J 441 
 O 27                             N 8 
 P 21                             O 162     
 Q 48                             P 63       
 R 63

No Solution Yet Submitted by K Sengupta    
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Hints/Tips Hint set | Comment 3 of 5 |

Here's a list of prime numbers, with the product of each one's digits shown on its right, sorted in order of that product, with only the relevant products shown.

This include 2-digit primes, generated before KS's answer to the question.

  13    3
  31    3
 311    3
 113    3
 131    3
 811    8
 421    8
 181    8
 241    8
 251   10
 521   10
  43   12
 431   12
 223   12
 271   14
 127   14
 317   21
  37   21
 173   21
 137   21
  73   21
 193   27
 139   27
 661   36
 433   36
 491   36
 149   36
 229   36
 263   36
 419   36
 941   36
 443   48
 283   48
 823   48
  79   63
 971   63
  97   63
 373   63
 337   63
 733   63
 197   63
 179   63
 719   63
 991   81
 919   81
 199   81
 743   84
 347   84
 727   98
 277   98
 929  162
 397  189
 739  189
 379  189
 937  189
 947  252
 479  252
 659  270
 569  270
 797  441
 977  441

Edited on August 30, 2013, 10:11 am
  Posted by Charlie on 2013-08-30 10:10:45

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