73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
73 is the largest 2 digit number that is both prime and has prime numbers for both of its digits.
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
4,053,946
The largest three digit prime number whose digits are all primes is 773.
The largest prime number that has 4 digits and begins with a 1 is 1,999.
73 is the largest two-digit number that is prime and has prime numbers for both of its digits.
As of August 2017, the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618digits.I attached a link with the 100 largest known prime numbers, there you can see the number of digits.
73 is the largest 2 digit number that is both prime and has prime numbers for both of its digits.
The largest 3 digit number whose digits are all primes is 777. The largest 3 digit number with different prime digits is 753.
Numbers never end. Thus it is impossible to find the largest prime number. The largest known prime number as of 2003 is m39 = 213,466,917-1 It has 4,053,946 digits and does not fit in this box.
999,983
4,053,946
The largest three digit prime number whose digits are all primes is 773.
As of January 2017 , the largest known prime number is 2^74,207,281 − 1, a number with 22,338,618 digits.
As of October 2015, the largest known prime number is 2^57,885,161 − 1, a number with 17,425,170 digits.
17,425,170 digits