Gilbreath's Conjecture
Let the Difference of successive Primes be defined by 
, and 
by
N. L. Gilbreath claimed that
for all 
(Guy 1994). It has been verified for 
andall Primes up to 
, where 
is the Prime Counting Function.
References
Guy, R. K. ``Gilbreath's Conjecture.'' §A10 in Unsolved Problems in Number Theory, 2nd ed. New York: Springer-Verlag, pp. 25-26, 1994.
- Mex
- Mex Sequence
- Mian-Chowla Sequence
- Mice Problem
- Mid-Arc Points
- Midcircle
- Middlespoint
- Midpoint
- Midpoint Ellipse
- Midradius
- Midrange
- Midsphere
- Midy's Theorem
- Mikusinski's Problem
- Milin Conjecture
- Mill
- Miller-Askinuze Solid
- Miller Cylindrical Projection
- Miller's Algorithm
- Miller's Primality Test
- Miller's Solid
- Milliard
- Millin Series
- Million
- Mills' Constant