Q: Is 680,724 a Prime Number?
A: No, 680,724 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 680724 can be evenly divided by 1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 132 162 191 198 297 324 382 396 573 594 764 891 1,146 1,188 1,719 1,782 2,101 2,292 3,438 3,564 4,202 5,157 6,303 6,876 8,404 10,314 12,606 15,471 18,909 20,628 25,212 30,942 37,818 56,727 61,884 75,636 113,454 170,181 226,908 340,362 and 680,724, with no remainder.
Since 680,724 cannot be divided by just 1 and 680,724, it is not a prime number.