This is documentation for Mathematica 7, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)


gives the maximum integer that is represented internally as a single atomic data element on your computer system.
  • $MaxMachineInteger is typically 2^(n-1)-1 on a computer system that is referred to as an n-bit system.
  • Arithmetic operations involving integers smaller than $MaxMachineInteger are typically faster than those involving larger integers.