Q: Is 2,501,564 a Prime Number?
A: No, 2,501,564 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 2501564 can be evenly divided by 1 2 4 13 26 52 73 146 292 659 949 1,318 1,898 2,636 3,796 8,567 17,134 34,268 48,107 96,214 192,428 625,391 1,250,782 and 2,501,564, with no remainder.
Since 2,501,564 cannot be divided by just 1 and 2,501,564, it is not a prime number.