# 6437

$t_title is "6437"

$t_adjust_path is "/~caldwell/curios/"

$t_class is "composite"

$short is "6437"

$nunber_id is "4470"

$t_meta['description'] is "One of many pages of prime number
curiosities and trivia. This page discusses 6437
Come explore a new prime today!"

The largest known composite number for which the quotient of the repunit R(n) divided by R(a)*R(b) [*a* and *b* the factors of n] forms a unique prime. I.e., 6437 = 41*157 and R(6437)/(R(41)*R(157)) is prime.

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