SOLUTION: What is the greatest prime you must consider to test whether 503 is prime?
I tried the smaller numbers, 2, 3, 5, 7 and then looked at a prime chart and it said it was prime, but h
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Question 225297: What is the greatest prime you must consider to test whether 503 is prime?
I tried the smaller numbers, 2, 3, 5, 7 and then looked at a prime chart and it said it was prime, but how do I test it and choose the greatest prime?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
What is the greatest prime you must consider to test whether 503 is prime?
:
Find the square root of 503 = 22.47....
You know the greatest prime (if it has one) has to be less than 22
that would be 19, you can check it with all primes less than 19
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