Answer:
Pythagoras
Step-by-step explanation:
To figure out how old each philospher was, we can find the difference between their birth and death years.
For Aristotle: 384 - 322 = 62 years old
For Pythagoras: 580 - 495 = 85 years old
For Plato: 428 - 348 = 80
85 > 80 > 62
So, Pythagoras lived the longest out of these three Greek philosophers.