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Four-Digit Prime Numbers by Tens (Part 4: 4000-5000)
You will be given four four-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 28, 2025
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| First submitted | March 28, 2025 |
| Times taken | 17 |
| Average score | 73.0% | Report this quiz | Report |
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4971, 4973, 4977, 4979
4061, 4063, 4067, 4069
4151, 4153, 4157, 4159
4321, 4323, 4327, 4329
4011, 4013, 4017, 4019
4221, 4223, 4227, 4229
4801, 4803, 4807, 4809
4431, 4433, 4437, 4439
4291, 4293, 4297, 4299
4001, 4003, 4007, 4009
4981, 4983, 4987, 4989
4721, 4723, 4727, 4729
4771, 4773, 4777, 4779
4541, 4543, 4547, 4549
4781, 4783, 4787, 4789
4991, 4993, 4997, 4999
4961, 4963, 4967, 4969
4501, 4503, 4507, 4509
4861, 4863, 4867, 4869
4371, 4373, 4377, 4379
4211, 4213, 4217, 4219
4361, 4363, 4367, 4369
4661, 4663, 4667, 4669
4581, 4583, 4587, 4589
4401, 4403, 4407, 4409
4491, 4493, 4497, 4499
4301, 4303, 4307, 4309
4121, 4123, 4127, 4129
4851, 4853, 4857, 4859
4161, 4163, 4167, 4169
4411, 4413, 4417, 4419
4451, 4453, 4457, 4459
4041, 4043, 4047, 4049
4381, 4383, 4387, 4389
4391, 4393, 4397, 4399
4831, 4833, 4837, 4839
4201, 4203, 4207, 4209
4561, 4563, 4567, 4569
4481, 4483, 4487, 4489
4471, 4473, 4477, 4479
4521, 4523, 4527, 4529
4841, 4843, 4847, 4849
4591, 4593, 4597, 4599
4601, 4603, 4607, 4609
4711, 4713, 4717, 4719
4131, 4133, 4137, 4139
4101, 4103, 4107, 4109
4921, 4923, 4927, 4929
4351, 4353, 4357, 4359
4071, 4073, 4077, 4079
4571, 4573, 4577, 4579
4951, 4953, 4957, 4959
4871, 4873, 4877, 4879
4461, 4463, 4467, 4469
4191, 4193, 4197, 4199
4551, 4553, 4557, 4559
4911, 4913, 4917, 4919
4251, 4253, 4257, 4259
4941, 4943, 4947, 4949
4741, 4743, 4747, 4749
4511, 4513, 4517, 4519
4611, 4613, 4617, 4619
4881, 4883, 4887, 4889
4441, 4443, 4447, 4449
4021, 4023, 4027, 4029
4091, 4093, 4097, 4099
4811, 4813, 4817, 4819
4821, 4823, 4827, 4829
4341, 4343, 4347, 4349
4751, 4753, 4757, 4759
4901, 4903, 4907, 4909
4621, 4623, 4627, 4629
4241, 4243, 4247, 4249
4141, 4143, 4147, 4149
4761, 4763, 4767, 4769
4931, 4933, 4937, 4939
4691, 4693, 4697, 4699
4081, 4083, 4087, 4089
4051, 4053, 4057, 4059
4281, 4283, 4287, 4289
4681, 4683, 4687, 4689
4531, 4533, 4537, 4539
4331, 4333, 4337, 4339
4651, 4653, 4657, 4659
4111, 4113, 4117, 4119
4231, 4233, 4237, 4239
4261, 4263, 4267, 4269
4671, 4673, 4677, 4679
4631, 4633, 4637, 4639
4031, 4033, 4037, 4039
4271, 4273, 4277, 4279
4171, 4173, 4177, 4179
4181, 4183, 4187, 4189
4791, 4793, 4797, 4799
4731, 4733, 4737, 4739
4641, 4643, 4647, 4649
4891, 4893, 4897, 4899
4311, 4313, 4317, 4319
4421, 4423, 4427, 4429
4701, 4703, 4707, 4709
0none
11
13
17
19
21, 3
21, 7
21, 9
23, 7
23, 9
27, 9
31, 3, 7
31, 3, 9
31, 7, 9
33, 7, 9
4all
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