This number is a composite.

                                                             3693 0553345551

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

+ Douglas McNeil disproved a 2009 conjecture of Zhi-Wei Sun when he found that 36930553345551 cannot be written as the sum of a prime, a Fibonacci number and an even Lucas number. [Post]

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