Q: Is 1,200,518 a Prime Number?
A: No, 1,200,518 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 1200518 can be evenly divided by 1 2 11 22 197 277 394 554 2,167 3,047 4,334 6,094 54,569 109,138 600,259 and 1,200,518, with no remainder.
Since 1,200,518 cannot be divided by just 1 and 1,200,518, it is not a prime number.