What is 5 to the power of 17 ?What is 5 to the power of 17 ?Solution: 517 = 762939453125simplify this: All that is needed is to multiply it out:5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 x 5 = 762939453125 So, 5 to the power of 17 is 762939453125.