Mathlean · Online math workspace
Carmichael function calculator
Find the exponent of the multiplicative group of units modulo an integer.
How to use this calculator
Edit the positive integer; Carmichael lambda of 8 is 2.
Tap the math below to edit it and see the result. Once a result is ready, press Tab on a hardware keyboard to accept it. Outside a matrix, Return completes the line; the phone math keyboard has the same Return action.
Try it here
Interactive tools require JavaScript. You can read the guide and example without it.
What to know
This differs from Euler's totient and may require factoring the input.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.