Q: Is 25,564 a Prime Number?
A: No, 25,564 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 25564 can be evenly divided by 1 2 4 7 11 14 22 28 44 77 83 154 166 308 332 581 913 1,162 1,826 2,324 3,652 6,391 12,782 and 25,564, with no remainder.
Since 25,564 cannot be divided by just 1 and 25,564, it is not a prime number.