# 12233...11443 (43-digits)

This number is a prime.

122 3354751161 3717819923 1029113112 3713411443

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There are 1 primes less than or equal to 2, two primes less than or equal to 3, 3 primes less than or equal to 5, 4 primes less than or equal to 7 and so on up to 14th prime, (43), for which there are 14 primes less than or equal to 43. Note that the previous such prime (emirp) is 1223. [Loungrides]

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