Q: Is 1,400,043 a Prime Number?
A: No, 1,400,043 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 1400043 can be evenly divided by 1 3 37 111 12,613 37,839 466,681 and 1,400,043, with no remainder.
Since 1,400,043 cannot be divided by just 1 and 1,400,043, it is not a prime number.