Q: Is 1,421,735 a Prime Number?
A: No, 1,421,735 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 1421735 can be evenly divided by 1 5 7 35 49 245 343 829 1,715 4,145 5,803 29,015 40,621 203,105 284,347 and 1,421,735, with no remainder.
Since 1,421,735 cannot be divided by just 1 and 1,421,735, it is not a prime number.