The time it took to build an Egyptian pyramid depended on its size, complexity, and resources. Here’s what historians and archaeologists estimate: The Great Pyramid of Giza (Khufu’s Pyramid) – the largest pyramid, built around 2600 BCE, is believed to have taken about 20 years to complete. Smaller pyramids (like those of later pharaohs or queens) could take anywhere from 5 to 15 years, since they required fewer blocks and less manpower. Construction involved tens of thousands of workers, not sla