Primes Lessons

In 1932, a leading authority on rattlesnakes, Laurence Klauber, discovered a startling pattern within a triangle of primes.

What if we make a huge spiral of numbers and then highlight only the primes? Well, a bunch of weird patterns show up!

So, can you write every odd (greater than 3) as the sum of three primes?

Can any perfect square be written as the sum of two primes?

Prime numbers are unpredictable! How can we possibly find them all? An Ancient Greek mathematician found one way!

What do you call two prime numbers who are very close together?