Q: Is 427,785 a Prime Number?
A: No, 427,785 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 427785 can be evenly divided by 1 3 5 15 19 57 79 95 237 285 361 395 1,083 1,185 1,501 1,805 4,503 5,415 7,505 22,515 28,519 85,557 142,595 and 427,785, with no remainder.
Since 427,785 cannot be divided by just 1 and 427,785, it is not a prime number.