Q: Is 1,978,109 a Prime Number?
A: No, 1,978,109 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 1978109 can be evenly divided by 1 7 19 107 133 139 749 973 2,033 2,641 14,231 14,873 18,487 104,111 282,587 and 1,978,109, with no remainder.
Since 1,978,109 cannot be divided by just 1 and 1,978,109, it is not a prime number.