Q: Is 489,420 a Prime Number?
A: No, 489,420 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 489420 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 2,719 5,438 8,157 10,876 13,595 16,314 24,471 27,190 32,628 40,785 48,942 54,380 81,570 97,884 122,355 163,140 244,710 and 489,420, with no remainder.
Since 489,420 cannot be divided by just 1 and 489,420, it is not a prime number.