When can we cancel a factor in a congruence? @MuPrimeMath
When can we cancel a factor in a congruence? @MuPrimeMath
Uploaded August 2020 | Updated September 2026, 2 weeks ago
Video on injective functions: youtu.be/0dSb30fE1so

In modular arithmetic, there are certain rules for canceling factors. This video is an explanation of those rules for canceling. Canceling mod n is very useful for more advanced ideas in modular arithmetic!

Modular Arithmetic playlist: youtube.com/playlist?list=PLug5ZIRrShJHPX-OyMNLLCQfKXchdZKpE

0:00 First Cancellation Rule
5:34 Second Cancellation Rule
7:42 Examples

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Music: OcularNebula - The Lopez
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When can we cancel a factor in a congruence?

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