Q: Is 249,728 a Prime Number?
A: No, 249,728 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 249728 can be evenly divided by 1 2 4 8 16 32 64 128 1,951 3,902 7,804 15,608 31,216 62,432 124,864 and 249,728, with no remainder.
Since 249,728 cannot be divided by just 1 and 249,728, it is not a prime number.