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The gcd( Command

Command Summary Command Syntax Calculator Compatibility Token Size
Finds the greatest common divisor of two values. gcd(value1, value2) TI-83/84/+/SE 2 bytes

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

The gcd( Command

The gcd( command returns the greatest common divisor (GCD) of two nonnegative integers. It also works on lists.

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

Advanced Uses

A gcd( command can be nested inside another gcd( command to compare up to four numbers.

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.

See Also

Authors: KG