Q: Is 1,321,625 a Prime Number?
A: No, 1,321,625 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 1321625 can be evenly divided by 1 5 25 97 109 125 485 545 2,425 2,725 10,573 12,125 13,625 52,865 264,325 and 1,321,625, with no remainder.
Since 1,321,625 cannot be divided by just 1 and 1,321,625, it is not a prime number.