What's the factorial of 100? That would be the multiplication of 100 by every whole number less than it. In other words, 100 x 99 x 98 x 97 x 96 x …. x 3 x 2 x 1.
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If you can figure out the answer, you could be considered smarter than Google ... or at least that's what Alex Bellos, who has been setting a puzzle for the Guardian every two weeks since 2015, found out in the video above.

Google Assistant's answer was incorrect as it is rounded up.

The answer is a big number, but how many zeroes does the factorial of 100 really have at the end of it?

Write what you think the answer is in the comment section below - and click here for the solution ► https://www.theguardian.com/science/2022/jan/24/did-you-solve-it-the-viral-maths-video-that-will-have-you-in-stitches

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