Why did Pythagoras became important to Greek culture?

Pythagoras became important to Greek culture primarily for his contributions to mathematics, particularly the Pythagorean theorem, which established a fundamental relationship in geometry. His philosophical teachings emphasized the belief in the harmony of numbers and their connection to the cosmos, influencing both mathematics and early scientific thought. Additionally, Pythagoras founded a religious movement that integrated mathematics, philosophy, and spirituality, shaping the intellectual landscape of ancient Greece and beyond. His ideas laid the groundwork for later developments in philosophy and science, making him a pivotal figure in Western thought.