Q: Is 782,020 a Prime Number?
A: No, 782,020 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 782020 can be evenly divided by 1 2 4 5 10 20 61 122 244 305 610 641 1,220 1,282 2,564 3,205 6,410 12,820 39,101 78,202 156,404 195,505 391,010 and 782,020, with no remainder.
Since 782,020 cannot be divided by just 1 and 782,020, it is not a prime number.