Q: Is 5,561,516 a Prime Number?
A: No, 5,561,516 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 5561516 can be evenly divided by 1 2 4 17 34 68 283 289 566 578 1,132 1,156 4,811 4,913 9,622 9,826 19,244 19,652 81,787 163,574 327,148 1,390,379 2,780,758 and 5,561,516, with no remainder.
Since 5,561,516 cannot be divided by just 1 and 5,561,516, it is not a prime number.