Q: Is 65,625 a Prime Number?
A: No, 65,625 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 65625 can be evenly divided by 1 3 5 7 15 21 25 35 75 105 125 175 375 525 625 875 1,875 2,625 3,125 4,375 9,375 13,125 21,875 and 65,625, with no remainder.
Since 65,625 cannot be divided by just 1 and 65,625, it is not a prime number.