Q: Is 1,642,672 a Prime Number?
A: No, 1,642,672 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 1642672 can be evenly divided by 1 2 4 8 16 102,667 205,334 410,668 821,336 and 1,642,672, with no remainder.
Since 1,642,672 cannot be divided by just 1 and 1,642,672, it is not a prime number.