Q: Is 126,021 a Prime Number?
A: No, 126,021 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 126021 can be evenly divided by 1 3 7 17 21 51 119 353 357 1,059 2,471 6,001 7,413 18,003 42,007 and 126,021, with no remainder.
Since 126,021 cannot be divided by just 1 and 126,021, it is not a prime number.