Hensel lifting is the iterative extension of a solution of a polynomial congruence modulo 
to one modulo a higher power of the prime 
. If 
and 
, there is a unique 
-adic root congruent to 
modulo 
.
Hensel Lifting
See also
Hensel's LemmaExplore with Wolfram|Alpha
References
Gouvêa, F. Q. p-adic Numbers: An Introduction, 2nd ed. Berlin, Germany: Springer-Verlag, 1997.Cite this as:
Weisstein, Eric W. "Hensel Lifting." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/HenselLifting.html