Q: Is 1,561,060 a Prime Number?
A: No, 1,561,060 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 1561060 can be evenly divided by 1 2 4 5 10 20 89 178 356 445 877 890 1,754 1,780 3,508 4,385 8,770 17,540 78,053 156,106 312,212 390,265 780,530 and 1,561,060, with no remainder.
Since 1,561,060 cannot be divided by just 1 and 1,561,060, it is not a prime number.