A number of the form , where , and are Integers. They can be factored algebraically

(1) |

(2) |

(3) |

(4) |

(5) |

**References**

Guy, R. K. ``When Does Divide .'' §B47 in
*Unsolved Problems in Number Theory, 2nd ed.* New York: Springer-Verlag, p. 102, 1994.

Qi, S and Ming-Zhi, Z. ``Pairs where Divides for All .'' *Proc. Amer. Math. Soc.* **93**, 218-220, 1985.

Schinzel, A. ``On Primitive Prime Factors of .'' *Proc. Cambridge Phil. Soc.* **58**, 555-562, 1962.

© 1996-9

1999-05-26