Q: Is 1,641,429 a Prime Number?
A: No, 1,641,429 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 1641429 can be evenly divided by 1 3 9 19 29 57 87 171 261 331 551 993 1,653 2,979 4,959 6,289 9,599 18,867 28,797 56,601 86,391 182,381 547,143 and 1,641,429, with no remainder.
Since 1,641,429 cannot be divided by just 1 and 1,641,429, it is not a prime number.