Q: Is 2,357,420 a Prime Number?
A: No, 2,357,420 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 2357420 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 260 9,067 18,134 36,268 45,335 90,670 117,871 181,340 235,742 471,484 589,355 1,178,710 and 2,357,420, with no remainder.
Since 2,357,420 cannot be divided by just 1 and 2,357,420, it is not a prime number.