Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
lcm%282%2Ax%2A%2A2%20%2B%206%2Ax%2C%2012%2Ax%29
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random