Q: Is 1,056,438 a Prime Number?
A: No, 1,056,438 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 1056438 can be evenly divided by 1 2 3 6 9 18 19 38 57 114 171 342 3,089 6,178 9,267 18,534 27,801 55,602 58,691 117,382 176,073 352,146 528,219 and 1,056,438, with no remainder.
Since 1,056,438 cannot be divided by just 1 and 1,056,438, it is not a prime number.