+----+----+----+
| A | B | C |
+----+----+----+
| D | | |
+----+----+----+----+----+----+----+
| E | F | G | | H | I | J |
+----+----+----+----+----+----+----+
| K | | |/// | L | | |
+----+----+----+----+----+----+----+
| M | | N | O | P | | |
+----+----+----+----+----+----+----+
| Q | | |
+----+----+----+
| R | | |
+----+----+----+
- The answer to each of the clues in this crossnumber puzzle is a prime number.
- The clue for each number is the product of its digits.
- 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
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 |