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Last Digit in a Product of Primes

Number Theory Level 1

If you multiply all primes less than 100, what would the last digit be?

Flickr rllorens.

6 2 4 0

Excel in math and science

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It's hard to learn from lectures and videos

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Our wiki is made for math and science

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including olympiad champions, researchers, and professionals.

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by Andrew Ellinor

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