Q: Is 1,055,445 a Prime Number?
A: No, 1,055,445 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 1055445 can be evenly divided by 1 3 5 15 17 51 85 255 4,139 12,417 20,695 62,085 70,363 211,089 351,815 and 1,055,445, with no remainder.
Since 1,055,445 cannot be divided by just 1 and 1,055,445, it is not a prime number.