Q: Is 561,250 a Prime Number?
A: No, 561,250 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 561250 can be evenly divided by 1 2 5 10 25 50 125 250 449 625 898 1,250 2,245 4,490 11,225 22,450 56,125 112,250 280,625 and 561,250, with no remainder.
Since 561,250 cannot be divided by just 1 and 561,250, it is not a prime number.