Prime and composite numbers

Reference no: EM13121933

Please respond to the following questions and provide reference if possible. Thank you.

a) What is a prime number, and why are prime numbers important?

b) What do you call a number that is not prime?

c) What is the largest prime number ever found?

d) Is the number 294,822,345,711 prime? How about 173,658,965? How can you tell without looking it up in someone else's table?

Reference no: EM13121933

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