Q: Is 557,242 a Prime Number?
A: No, 557,242 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 557242 can be evenly divided by 1 2 7 14 53 106 371 742 751 1,502 5,257 10,514 39,803 79,606 278,621 and 557,242, with no remainder.
Since 557,242 cannot be divided by just 1 and 557,242, it is not a prime number.