Q: Is 1,672,161 a Prime Number?
A: No, 1,672,161 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 1672161 can be evenly divided by 1 3 353 1,059 1,579 4,737 557,387 and 1,672,161, with no remainder.
Since 1,672,161 cannot be divided by just 1 and 1,672,161, it is not a prime number.