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A weekly challenge concerning prime numbers.
This group tasks allows you to search for arithmetic progressions in the prime numbers. How many of the challenges will you discover for yourself?
This black box reveals random values of some important, but unusual, mathematical functions. Can you deduce the purpose of the black box?
Make a line of green and a line of yellow rods so that the lines differ in length by one (a white rod)
How many divisors does factorial n (n!) have?
An introduction to proof by contradiction, a powerful method of mathematical proof.
Take any prime number greater than 3 , square it and subtract one. Working on the building blocks will help you to explain what is special about your results.