68525...81941 (87-digits)

This number is a prime.

                                                          6852596 9138091544
1990470933 7456580991 9531033100 5626413677 5739659763 4757278199 6713081941

The second prime output in the Fibonacci-like integer sequence 3,1,4,5,9, ..., beyond the first one hundred terms. [Schiffman]