Q: Is 785,428 a Prime Number?
A: No, 785,428 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 785428 can be evenly divided by 1 2 4 7 14 28 28,051 56,102 112,204 196,357 392,714 and 785,428, with no remainder.
Since 785,428 cannot be divided by just 1 and 785,428, it is not a prime number.