Q: Is 2,109,345 a Prime Number?
A: No, 2,109,345 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 2109345 can be evenly divided by 1 3 5 7 15 21 35 105 20,089 60,267 100,445 140,623 301,335 421,869 703,115 and 2,109,345, with no remainder.
Since 2,109,345 cannot be divided by just 1 and 2,109,345, it is not a prime number.