Q: Is 210,542 a Prime Number?
A: No, 210,542 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 210542 can be evenly divided by 1 2 23 46 199 398 529 1,058 4,577 9,154 105,271 and 210,542, with no remainder.
Since 210,542 cannot be divided by just 1 and 210,542, it is not a prime number.