The largest eight-digit Prime number is 99,999,991.
The smallest nine-digit number, for comparison, is 100,000,019.
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There is only one even prime number (2). There are no 8-digit even primes.
10,000,019
The largest number which can be stored in an 8 bit memory byte is 255. The largest prime number below 255 is 251.
The largest number which can be stored in an 8 bit memory byte is 255 .The largest prime number below 255 is 251.
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