Q: Is 857,200 a Prime Number?
A: No, 857,200 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 857200 can be evenly divided by 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 2,143 4,286 8,572 10,715 17,144 21,430 34,288 42,860 53,575 85,720 107,150 171,440 214,300 428,600 and 857,200, with no remainder.
Since 857,200 cannot be divided by just 1 and 857,200, it is not a prime number.