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