Q: Is 553,240 a Prime Number?
A: No, 553,240 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 553240 can be evenly divided by 1 2 4 5 8 10 20 40 13,831 27,662 55,324 69,155 110,648 138,310 276,620 and 553,240, with no remainder.
Since 553,240 cannot be divided by just 1 and 553,240, it is not a prime number.