Khufu- The Great Pyramid, the largest of the three, was built by the pharaoh Khufu and rises to a height of 481 feet with a base length of more than 750 feet per side. Khufu is also the oldest of the Great Pyramids of Giza. It is the oldest of the Seven Wonders of the Ancient World, and the only one to remain largely intact.
Menkaure- The Pyramid of Menkaure is the smallest of the three main Pyramids of Giza, located on the Giza Plateau in the southwestern outskirts of Cairo, Egypt. It is thought to have been built to serve as the tomb. It took 20,000 workers around 20 years to build the Great Pyramid. Its construction began around 2580 BC, shortly after Khufu became pharaoh.
Khafre- The Pyramid of Khafre or of Chephren is the second-tallest and second-largest of the 3 Ancient Egyptian Pyramids of Giza and the tomb of the Fourth-Dynasty pharaoh Khafre, who ruled c. 2558−2532 B.C. Khafre is around 4,500 years old and was built in 2,570 B.C. Khafre was built for a pharaoh named Khafre the third pharaoh of the 4th Dynasty during the Old Kingdom Period of Ancient Egypt around 2540 B.C.