Q: Is 209,628 a Prime Number?
A: No, 209,628 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 209628 can be evenly divided by 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 647 1,294 1,941 2,588 3,882 5,823 7,764 11,646 17,469 23,292 34,938 52,407 69,876 104,814 and 209,628, with no remainder.
Since 209,628 cannot be divided by just 1 and 209,628, it is not a prime number.