If you are going to do this at least remove your laptop battery so it doesn't explode.
>9000+
But; remember, with that increased fan speed comes increased dust buildup/contamination. When that thing begins to overheat, it will do it in a very catastrophic way.
Laptops don't deal well with heatsoak.
Miner apps saturate the GPU/CPU more than the most intensive games out there, so you will be pushing the machine into a realm that it was not designed to deal with.
Its always heavily discouraged to mine with a laptop unless its a pile of junk.
What I do is strip them of all of their housings, and have them sitting in a well ventilated place to live out the last of its days mining some CPU algo or GPU algo if applicable as well.... But I stopped doing that ~2+ years ago.