Q: Is 254,478 a Prime Number?
A: No, 254,478 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 254478 can be evenly divided by 1 2 3 6 7 14 21 42 73 83 146 166 219 249 438 498 511 581 1,022 1,162 1,533 1,743 3,066 3,486 6,059 12,118 18,177 36,354 42,413 84,826 127,239 and 254,478, with no remainder.
Since 254,478 cannot be divided by just 1 and 254,478, it is not a prime number.