Q: Is 1,620,429 a Prime Number?
A: No, 1,620,429 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 1620429 can be evenly divided by 1 3 421 1,263 1,283 3,849 540,143 and 1,620,429, with no remainder.
Since 1,620,429 cannot be divided by just 1 and 1,620,429, it is not a prime number.