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OpenStudy (anonymous):
how do you explain if a number is prime or composite
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OpenStudy (anonymous):
If a number is divisible by only one and itself (excluding one), then it is prime. Otherwise, it is composite.
OpenStudy (anonymous):
For example, the number 19 has no other factors other than 1 and 19. Therefore, it is prime. The number 12 has the factors 1, 2, 3, 4, 6, and 12. Therefore, it is composite.
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