Q: Is 1,406,943 a Prime Number?
A: No, 1,406,943 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 1406943 can be evenly divided by 1 3 9 27 107 321 487 963 1,461 2,889 4,383 13,149 52,109 156,327 468,981 and 1,406,943, with no remainder.
Since 1,406,943 cannot be divided by just 1 and 1,406,943, it is not a prime number.