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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 | 156 |
| Average score | 85.6% | Report this quiz | Report |
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501, 503, 507, 509
611, 613, 617, 619
691, 693, 697, 699
461, 463, 467, 469
391, 393, 397, 399
911, 913, 917, 919
351, 353, 357, 359
781, 783, 787, 789
491, 493, 497, 499
821, 823, 827, 829
671, 673, 677, 679
281, 283, 287, 289
101, 103, 107, 109
111, 113, 117, 119
151, 153, 157, 159
301, 303, 307, 309
941, 943, 947, 949
761, 763, 767, 769
871, 873, 877, 879
341, 343, 347, 349
311, 313, 317, 319
701, 703, 707, 709
831, 833, 837, 839
241, 243, 247, 249
721, 723, 727, 729
791, 793, 797, 799
191, 193, 197, 199
951, 953, 957, 959
961, 963, 967, 969
271, 273, 277, 279
161, 163, 167, 169
631, 633, 637, 639
841, 843, 847, 849
421, 423, 427, 429
751, 753, 757, 759
801, 803, 807, 809
251, 253, 257, 259
291, 293, 297, 299
221, 223, 227, 229
991, 993, 997, 999
571, 573, 577, 579
771, 773, 777, 779
971, 973, 977, 979
171, 173, 177, 179
371, 373, 377, 379
261, 263, 267, 269
471, 473, 477, 479
361, 363, 367, 369
321, 323, 327, 329
431, 433, 437, 439
401, 403, 407, 409
901, 903, 907, 909
121, 123, 127, 129
741, 743, 747, 749
531, 533, 537, 539
861, 863, 867, 869
731, 733, 737, 739
141, 143, 147, 149
681, 683, 687, 689
481, 483, 487, 489
131, 133, 137, 139
661, 663, 667, 669
931, 933, 937, 939
181, 183, 187, 189
381, 383, 387, 389
411, 413, 417, 419
851, 853, 857, 859
601, 603, 607, 609
641, 643, 647, 649
621, 623, 627, 629
441, 443, 447, 449
511, 513, 517, 519
551, 553, 557, 559
711, 713, 717, 719
541, 543, 547, 549
231, 233, 237, 239
651, 653, 657, 659
881, 883, 887, 889
891, 893, 897, 899
201, 203, 207, 209
591, 593, 597, 599
981, 983, 987, 989
581, 583, 587, 589
921, 923, 927, 929
521, 523, 527, 529
331, 333, 337, 339
451, 453, 457, 459
811, 813, 817, 819
211, 213, 217, 219
561, 563, 567, 569
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