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