Q: Is 619,979 a Prime Number?
A: Yes, 619,979 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 619979 can be evenly divided by 1 and 619,979, with no remainder.
Since 619,979 can be divided by just 1 and 619,979, it is a prime number.