Q: Is 2,478,642 a Prime Number?
A: No, 2,478,642 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 2478642 can be evenly divided by 1 2 3 6 73 146 219 438 5,659 11,318 16,977 33,954 413,107 826,214 1,239,321 and 2,478,642, with no remainder.
Since 2,478,642 cannot be divided by just 1 and 2,478,642, it is not a prime number.