Q: Is 872,542 a Prime Number?
A: No, 872,542 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 872542 can be evenly divided by 1 2 11 17 22 34 187 374 2,333 4,666 25,663 39,661 51,326 79,322 436,271 and 872,542, with no remainder.
Since 872,542 cannot be divided by just 1 and 872,542, it is not a prime number.