Q: Is 785,720 a Prime Number?
A: No, 785,720 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 785720 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 1,511 3,022 6,044 7,555 12,088 15,110 19,643 30,220 39,286 60,440 78,572 98,215 157,144 196,430 392,860 and 785,720, with no remainder.
Since 785,720 cannot be divided by just 1 and 785,720, it is not a prime number.