Explaining The Riemann Hypothesis

Lucas Potrykus
ILLUMINATION
Published in
3 min readJul 7, 2023
Photo by Crissy Jarvis on Unsplash

Understanding Prime Numbers:

Before diving into the depths of the Riemann Hypothesis, let’s briefly recap the nature of prime numbers (who doesn’t want a year 3 math lesson?) Prime numbers are positive integers greater than 1 (NOT 1) that can only be divided evenly by 1 and themselves. Examples of prime numbers include 2, 3, 5, 7, 11, and so on.

The Riemann Zeta Function:

I think I’ve already discussed this… I think… At the heart of the Riemann Hypothesis lies the Riemann zeta function, denoted by ζ(s), where ‘s’ is a complex variable. The Riemann zeta function is defined by the following equation:

ζ(s) = 1^(-s) + 2^(-s) + 3^(-s) + 4^(-s) + … Easy enough…

This function is valid for complex values of ‘s’ with a real part greater than 1. However, the zeta function can be analytically continued to provide values for ‘s’ in other regions of the complex plane.

The Connection to Prime Numbers:

But why? Why is this so important..? Well because one of the most remarkable features of the Riemann zeta function is its connection to prime numbers. Specifically, when the real part of ‘s’ is greater than 1, the zeta function can be expressed as an infinite product involving prime numbers:

ζ(s) = (1/(1^s))(1/(2^s))(1/(3^s))(1/(5^s))(1/(7^s))(1/(11^s))… yeah doesn’t look pretty right now but it does the job (and looks decent when written out)!

This connection between the zeta function and prime numbers is what makes the Riemann Hypothesis so intriguing. It suggests that understanding the behavior of the zeta function could shed light on the distribution of prime numbers.

The Riemann Hypothesis:

Let’s get to it. Formally stated, the Riemann Hypothesis asserts that all non-trivial zeros of the Riemann zeta function lie on the critical line with a real part equal to 1/2. In other words, if ‘s’ is a complex number that satisfies ζ(s) = 0 and Re(s) ≠ 1/2, then Re(s) = 1/2. Ok… You’re all following…

To put it simply, the Riemann Hypothesis provides a profound insight into the distribution of prime numbers along the complex plane. It suggests a symmetrical pattern that primes follow, aligning themselves along a critical line. You will NEVER need to EVER use this… but it’s cool.

But WAIT… Implications and Significance:

The Riemann Hypothesis holds immense importance in the realm of mathematics. If proven true, it would have far-reaching consequences. For instance, a proof of the Riemann Hypothesis would provide us with a deeper understanding of the distribution of prime numbers, allowing for more efficient algorithms in cryptography and encryption. Because why not?

Now then… A solution? Despite mathematicians’ best attempts over the past century, the Riemann Hypothesis remains unsolved. Many significant results have been obtained, and the hypothesis has been verified for an extensive range of non-trivial zeros. However, a general proof or disproof has eluded us thus far. Can you prove it..? You’ll get $1,000,000!!!

Done.

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