Q: Is 782,120 a Prime Number?
A: No, 782,120 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 782120 can be evenly divided by 1 2 4 5 8 10 20 40 19,553 39,106 78,212 97,765 156,424 195,530 391,060 and 782,120, with no remainder.
Since 782,120 cannot be divided by just 1 and 782,120, it is not a prime number.