Q: Is 125,001 a Prime Number?
A: No, 125,001 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 125001 can be evenly divided by 1 3 9 17 19 43 51 57 129 153 171 323 387 731 817 969 2,193 2,451 2,907 6,579 7,353 13,889 41,667 and 125,001, with no remainder.
Since 125,001 cannot be divided by just 1 and 125,001, it is not a prime number.