The gcd( Command
GCD.GIF

Command Summary

Finds the greatest common divisor of two values.

Command Syntax

gcd(value1, value2)

Menu Location

Press:

  1. MATH to access the math menu.
  2. RIGHT to access the NUM submenu.
  3. 9 to select gcd(, or use arrows.

Calculator Compatibility

TI-83/84/+/SE

Token Size

2 bytes

Returns the greatest common divisor (GCD) of two nonnegative integers. Also works on lists.

gcd(8,6)
     2
gcd({9,12},6)
     {3 6}
gcd({14,12},{6,8})
     {2 4}

Error Conditions

  • ERR:DIM MISMATCH is thrown if the arguments are two lists that don't have the same number of elements.
  • ERR:DOMAIN is thrown if the arguments aren't positive integers (or lists of positive integers) less than 1e12.

Related Commands

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