Q: Is 571,642 a Prime Number?
A: No, 571,642 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 571642 can be evenly divided by 1 2 17 23 34 43 46 86 289 391 578 731 782 989 1,462 1,978 6,647 12,427 13,294 16,813 24,854 33,626 285,821 and 571,642, with no remainder.
Since 571,642 cannot be divided by just 1 and 571,642, it is not a prime number.