Q: Is 721,104 a Prime Number?
A: No, 721,104 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 721104 can be evenly divided by 1 2 3 4 6 8 12 16 24 48 83 166 181 249 332 362 498 543 664 724 996 1,086 1,328 1,448 1,992 2,172 2,896 3,984 4,344 8,688 15,023 30,046 45,069 60,092 90,138 120,184 180,276 240,368 360,552 and 721,104, with no remainder.
Since 721,104 cannot be divided by just 1 and 721,104, it is not a prime number.