Q: Is 2,120,505 a Prime Number?
A: No, 2,120,505 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 2120505 can be evenly divided by 1 3 5 15 373 379 1,119 1,137 1,865 1,895 5,595 5,685 141,367 424,101 706,835 and 2,120,505, with no remainder.
Since 2,120,505 cannot be divided by just 1 and 2,120,505, it is not a prime number.