Q: Is 1,421,043 a Prime Number?
A: No, 1,421,043 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 1421043 can be evenly divided by 1 3 13 39 83 249 439 1,079 1,317 3,237 5,707 17,121 36,437 109,311 473,681 and 1,421,043, with no remainder.
Since 1,421,043 cannot be divided by just 1 and 1,421,043, it is not a prime number.