This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The smaller of only two primes less than a googol formed by concatenating in descending order the first n multidigit numbers ending with 1, (case n=2). The other is 41312111 for n=4. [Loungrides]

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell