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Find the number of zeros.

Number Theory Level 2

How many zeros are in the last of 458!.

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, conceptual quizzes.

Our wiki is made for math and science

Master advanced concepts through explanations,
examples, and problems from the community.

Used and loved by 4 million people

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including olympiad champions, researchers, and professionals.

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by Farhabi Mojib

Practice math and science questions on the Brilliant iOS app. Practice math and science questions on the Brilliant Android app.

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