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OpenStudy (anonymous):
which number is prime? 19,28,49,63
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OpenStudy (anonymous):
A prime number is only divisible by one and itself, so tell me which of these numbers fit that description?
OpenStudy (anonymous):
19?
OpenStudy (anonymous):
A prime number is only the product by saying 1xN so 19 would be correct
OpenStudy (anonymous):
Good job. :)
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