77771...34343 (194-digits)

This number is a probable-prime (likely to be a prime but we have not (re-)proven it on this site).

                 7777 1111111111 1313131313 1317171717 1717171919 1919191919
1923232323 2323232323 2929292929 2929292929 3131313131 3131313131 3137373737
3737373737 3737374141 4141414141 4141414141 4143434343 4343434343 4343434343

+ The smallest googol prime concatenating nth prime , n times, from n = 4 to 14. [Gupta]

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