Q: Is 125,145 a Prime Number?
A: No, 125,145 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 125145 can be evenly divided by 1 3 5 9 15 27 45 81 103 135 243 309 405 515 927 1,215 1,545 2,781 4,635 8,343 13,905 25,029 41,715 and 125,145, with no remainder.
Since 125,145 cannot be divided by just 1 and 125,145, it is not a prime number.