Q: Is 5,431,216 a Prime Number?
A: No, 5,431,216 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 5431216 can be evenly divided by 1 2 4 7 8 14 16 28 56 71 112 142 284 497 568 683 994 1,136 1,366 1,988 2,732 3,976 4,781 5,464 7,952 9,562 10,928 19,124 38,248 48,493 76,496 96,986 193,972 339,451 387,944 678,902 775,888 1,357,804 2,715,608 and 5,431,216, with no remainder.
Since 5,431,216 cannot be divided by just 1 and 5,431,216, it is not a prime number.