Q: Is 61,564 a Prime Number?
A: No, 61,564 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 61564 can be evenly divided by 1 2 4 15,391 30,782 and 61,564, with no remainder.
Since 61,564 cannot be divided by just 1 and 61,564, it is not a prime number.