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Three-Digit Prime Numbers by Tens
You will be given four three-digit numbers that differ only by the last digit being 1, 3, 7, or 9. Answer which ones are prime numbers.
Example: If you are given "21, 23, 27, 29," only 23 and 29 are prime numbers, so you should choose "3, 9"
Example: If you are given "21, 23, 27, 29," only 23 and 29 are prime numbers, so you should choose "3, 9"
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Last updated: March 12, 2024
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| First submitted | March 12, 2024 |
| Times taken | 155 |
| Average score | 85.6% | Report this quiz | Report |
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931, 933, 937, 939
821, 823, 827, 829
911, 913, 917, 919
171, 173, 177, 179
871, 873, 877, 879
291, 293, 297, 299
261, 263, 267, 269
161, 163, 167, 169
131, 133, 137, 139
511, 513, 517, 519
841, 843, 847, 849
501, 503, 507, 509
591, 593, 597, 599
441, 443, 447, 449
341, 343, 347, 349
801, 803, 807, 809
321, 323, 327, 329
451, 453, 457, 459
241, 243, 247, 249
961, 963, 967, 969
681, 683, 687, 689
741, 743, 747, 749
391, 393, 397, 399
551, 553, 557, 559
481, 483, 487, 489
411, 413, 417, 419
901, 903, 907, 909
761, 763, 767, 769
791, 793, 797, 799
921, 923, 927, 929
561, 563, 567, 569
881, 883, 887, 889
651, 653, 657, 659
751, 753, 757, 759
731, 733, 737, 739
601, 603, 607, 609
201, 203, 207, 209
531, 533, 537, 539
431, 433, 437, 439
851, 853, 857, 859
141, 143, 147, 149
121, 123, 127, 129
251, 253, 257, 259
371, 373, 377, 379
831, 833, 837, 839
661, 663, 667, 669
401, 403, 407, 409
541, 543, 547, 549
361, 363, 367, 369
671, 673, 677, 679
621, 623, 627, 629
221, 223, 227, 229
781, 783, 787, 789
771, 773, 777, 779
571, 573, 577, 579
381, 383, 387, 389
941, 943, 947, 949
611, 613, 617, 619
461, 463, 467, 469
971, 973, 977, 979
301, 303, 307, 309
861, 863, 867, 869
281, 283, 287, 289
421, 423, 427, 429
951, 953, 957, 959
701, 703, 707, 709
331, 333, 337, 339
891, 893, 897, 899
151, 153, 157, 159
811, 813, 817, 819
191, 193, 197, 199
471, 473, 477, 479
211, 213, 217, 219
181, 183, 187, 189
981, 983, 987, 989
721, 723, 727, 729
581, 583, 587, 589
111, 113, 117, 119
351, 353, 357, 359
711, 713, 717, 719
521, 523, 527, 529
691, 693, 697, 699
101, 103, 107, 109
231, 233, 237, 239
631, 633, 637, 639
641, 643, 647, 649
991, 993, 997, 999
491, 493, 497, 499
271, 273, 277, 279
311, 313, 317, 319
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