Q: Is 680,560 a Prime Number?
A: No, 680,560 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 680560 can be evenly divided by 1 2 4 5 8 10 16 20 40 47 80 94 181 188 235 362 376 470 724 752 905 940 1,448 1,810 1,880 2,896 3,620 3,760 7,240 8,507 14,480 17,014 34,028 42,535 68,056 85,070 136,112 170,140 340,280 and 680,560, with no remainder.
Since 680,560 cannot be divided by just 1 and 680,560, it is not a prime number.