Q: Is 489,621 a Prime Number?
A: No, 489,621 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 489621 can be evenly divided by 1 3 11 33 37 111 401 407 1,203 1,221 4,411 13,233 14,837 44,511 163,207 and 489,621, with no remainder.
Since 489,621 cannot be divided by just 1 and 489,621, it is not a prime number.