Q: Is 57,661 a Prime Number?
A: No, 57,661 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 57661 can be evenly divided by 1 23 109 529 2,507 and 57,661, with no remainder.
Since 57,661 cannot be divided by just 1 and 57,661, it is not a prime number.