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Prime Or Composite?
Are these numbers prime or composite?
Tip: Numbers that are multiples of three will have digits that add up to a multiple of three
This is my 200th quiz :)
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Last updated: July 14, 2024
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| First submitted | July 14, 2024 |
| Times taken | 24 |
| Average score | 55.2% | Report this quiz | Report |
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2
Factors: 1, 2
21
Factors: 1, 3, 7, 21
63
Factors: 1, 3, 7, 9, 21, 63
25
Factors: 1, 5, 25
1
Factors: 1 (Only one factor, so it is neither)
77
Factors: 1, 7, 11, 77
101
Factors: 1, 101
737
Factors: 1, 11, 67, 737
-14
Factors: 1, 2, 7, 14, -1, -2, -7, -14 (negative numbers can't be prime/composite, though they do have factors)
11
Factors: 1, 11
167
Factors: 1, 167
142
Factors: 1, 2, 71, 142
328
Factors: 1, 2, 4, 8, 41, 82, 164, 328
773
Factors: 1, 773
16/4
Factors: 1, 2, 4 (16/4 equals 4)
2049
Factors: 1, 3, 683, 2049
1291
Factors: 1, 1291
3373
Factors: 1, 3373
3491
Factors: 1, 3491
√289
Factors: 1, 17
3947
Factors: 1, 3947
7713
Factors: 1, 3, 9, 857, 2571, 7713
7834
Factors: 1, 2, 3917, 7834
3.2
Rational numbers can't be prime/composite
√7
Rational numbers can't be prime/composite
45,673
Factors: 1, 45673
2349078
Factors: 1, 2, 3, 6, 107, 214, 321, 642, 3659, 7318, 10977, 21954, 391513, 783026, 1174539, 2349078
782,844,319
Factors: 1, 782844319
1,348,895,319
Factors: 1, 3, 449631773, 1348895319
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Neither
Prime
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2 Comments
VincentCanQuiz
+1
Level 56
Jul 15, 2024
-14 caught me off guard
KiloNova
+1
Level 61
Jul 15, 2024
Thought this quiz would be a bit boring until you're thrown a loophole.
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