990

This number is a composite.

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A prime magic square with magic sum 990:

 151 053 307 269 073 137
 167 263 017 101 191 251
 173 037 317 271 089 103
 227 241 059 013 293 157
 079 139 229 313 067 163
 193 257 061 023 277 179
Composed of distinct primes, it is both pandiagonal and symmetrical. [Johnson]

Submitted: 1999-09-07 19:54:17;   Last Modified: 2022-01-28 11:51:30.
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