Q: Is 511,400 a Prime Number?
A: No, 511,400 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 511400 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 2,557 5,114 10,228 12,785 20,456 25,570 51,140 63,925 102,280 127,850 255,700 and 511,400, with no remainder.
Since 511,400 cannot be divided by just 1 and 511,400, it is not a prime number.