Q: Is 1,788,423 a Prime Number?
A: No, 1,788,423 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 1788423 can be evenly divided by 1 3 7 13 21 39 91 273 6,551 19,653 45,857 85,163 137,571 255,489 596,141 and 1,788,423, with no remainder.
Since 1,788,423 cannot be divided by just 1 and 1,788,423, it is not a prime number.