Q: Is 1,245,800 a Prime Number?
A: No, 1,245,800 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 1245800 can be evenly divided by 1 2 4 5 8 10 20 25 40 50 100 200 6,229 12,458 24,916 31,145 49,832 62,290 124,580 155,725 249,160 311,450 622,900 and 1,245,800, with no remainder.
Since 1,245,800 cannot be divided by just 1 and 1,245,800, it is not a prime number.