Q: Is 420,204 a Prime Number?
A: No, 420,204 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 420204 can be evenly divided by 1 2 3 4 6 12 19 38 57 76 97 114 194 228 291 361 388 582 722 1,083 1,164 1,444 1,843 2,166 3,686 4,332 5,529 7,372 11,058 22,116 35,017 70,034 105,051 140,068 210,102 and 420,204, with no remainder.
Since 420,204 cannot be divided by just 1 and 420,204, it is not a prime number.