Q: Is 561,760 a Prime Number?
A: No, 561,760 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 561760 can be evenly divided by 1 2 4 5 8 10 16 20 32 40 80 160 3,511 7,022 14,044 17,555 28,088 35,110 56,176 70,220 112,352 140,440 280,880 and 561,760, with no remainder.
Since 561,760 cannot be divided by just 1 and 561,760, it is not a prime number.