Q: Is 243,490 a Prime Number?
A: No, 243,490 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 243490 can be evenly divided by 1 2 5 10 13 26 65 130 1,873 3,746 9,365 18,730 24,349 48,698 121,745 and 243,490, with no remainder.
Since 243,490 cannot be divided by just 1 and 243,490, it is not a prime number.