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Numbers... Prime or Composite?

Say whether each number is prime or not.
Quiz by
interopia
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Last updated: October 28, 2024
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First submittedOctober 28, 2024
Times taken173
Average score90.0%
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1. 0
Prime
Composite
Neither
2. 1
Prime
Composite
Neither
3. 2
Prime
Composite
Neither
4. 3
Prime
Composite
Neither
5. 4
Prime
Composite
Neither
6. 5
Prime
Composite
Neither
7. 7
Prime
Composite
Neither
8. 9
Prime
Composite
Neither
9. 11
Prime
Composite
Neither
10. 13
Prime
Composite
Neither
11. 15
Prime
Composite
Neither
12. 17
Prime
Composite
Neither
13. 19
Prime
Composite
Neither
14. 29
Prime
Composite
Neither
15. 39
Prime
Composite
Neither
16. 47
Prime
Composite
Neither
17. 57
Prime
Composite
Neither
18. 89
Prime
Composite
Neither
19. 93
Prime
Composite
Neither
20. 97
Prime
Composite
Neither
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1 Comments
+3
Level 68
Jun 21, 2025
if you multiply zero with roughly anything, it equals zero. I kind of want to know why it's not composite.