Q: Is 4,000,437 a Prime Number?
A: No, 4,000,437 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 4000437 can be evenly divided by 1 3 7 9 21 63 63,499 190,497 444,493 571,491 1,333,479 and 4,000,437, with no remainder.
Since 4,000,437 cannot be divided by just 1 and 4,000,437, it is not a prime number.