New divisibility rule! (30,000 of them)

https://www.youtube.com/watch?v=6pLz8wEQYkA

Publisher, Matt Parker (Standup Maths), Video, YouTube

Matt Parker looks at divisibility tests, beginning with 3 tests to find whether a number is divisible by 7.

29 November 2024 Edit: 29 November 2024


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