Q: Is 1,431,008 a Prime Number?
A: No, 1,431,008 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 1431008 can be evenly divided by 1 2 4 8 16 32 197 227 394 454 788 908 1,576 1,816 3,152 3,632 6,304 7,264 44,719 89,438 178,876 357,752 715,504 and 1,431,008, with no remainder.
Since 1,431,008 cannot be divided by just 1 and 1,431,008, it is not a prime number.