Q: Is 148,521 a Prime Number?
A: No, 148,521 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 148521 can be evenly divided by 1 3 31 93 1,597 4,791 49,507 and 148,521, with no remainder.
Since 148,521 cannot be divided by just 1 and 148,521, it is not a prime number.