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Pythagorean Primes

A Pythagorean prime is a prime number of the form 4n + 1. Pythagorean primes are exactly the odd prime numbers that are the sum of two squares; this characterization is Fermat's theorem on sums of two squares.

First 20: 5, 13, 17, 29, 37, 41, 53, 61, 73, 89, 97, 101, 109, 113, 137, 149, 157, 173, 181, 193

Checkout list of first: 10, 50, 100, 500, 1000 pythagorean primes. You can also check all pythagorean primes.

Checkout pythagorean primes up to: 100, 500, 1000, 10000.

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Every frame counter is increased by one. If it is pythagorean prime then dot appears. Color has no meaning. Video has 25fps.

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