Q: Is 257,450 a Prime Number?
A: No, 257,450 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 257450 can be evenly divided by 1 2 5 10 19 25 38 50 95 190 271 475 542 950 1,355 2,710 5,149 6,775 10,298 13,550 25,745 51,490 128,725 and 257,450, with no remainder.
Since 257,450 cannot be divided by just 1 and 257,450, it is not a prime number.