Q: Is 1,521,430 a Prime Number?
A: No, 1,521,430 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 1521430 can be evenly divided by 1 2 5 10 353 431 706 862 1,765 2,155 3,530 4,310 152,143 304,286 760,715 and 1,521,430, with no remainder.
Since 1,521,430 cannot be divided by just 1 and 1,521,430, it is not a prime number.