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Prime or Composite?

Decide if each number given below is prime or composite.
Quiz by CFeng
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Last updated: August 27, 2020
First submittedAugust 27, 2020
Times taken3
Average score40.0%
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1. 119
Prime
Composite
2. 919
Prime
Composite
3. 141
Prime
Composite
4. 147
Prime
Composite
5. 191
Prime
Composite
6. 211
Prime
Composite
7. 353
Prime
Composite
8. 691
Prime
Composite
9. 497
Prime
Composite
10. 557
Prime
Composite
11. 703
Prime
Composite
12. 611
Prime
Composite
13. 241
Prime
Composite
14. 3221
Prime
Composite
15. 831
Prime
Composite
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