100% efficiency is "theoretical", so something that high is extremely unbelievable. If you did get that good of efficiency, you should of just kept it to yourself and be humble
I would recheck your calculations, and if you are using software, make sure you speficy if it was all grain or extract.
I, myself has had efficency betwen 54% and 78% over the last 30 all grain batches I've brewed. And the 78% was a fluke becuase of the amount of honey I used.