Q: Is 1,423,145 a Prime Number?
A: No, 1,423,145 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 1423145 can be evenly divided by 1 5 379 751 1,895 3,755 284,629 and 1,423,145, with no remainder.
Since 1,423,145 cannot be divided by just 1 and 1,423,145, it is not a prime number.