Q: Is 5,561,560 a Prime Number?
A: No, 5,561,560 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 5561560 can be evenly divided by 1 2 4 5 8 10 20 40 163 326 652 815 853 1,304 1,630 1,706 3,260 3,412 4,265 6,520 6,824 8,530 17,060 34,120 139,039 278,078 556,156 695,195 1,112,312 1,390,390 2,780,780 and 5,561,560, with no remainder.
Since 5,561,560 cannot be divided by just 1 and 5,561,560, it is not a prime number.