Q: Is 124,509 a Prime Number?
A: No, 124,509 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 124509 can be evenly divided by 1 3 7 11 21 33 49 77 121 147 231 343 363 539 847 1,029 1,617 2,541 3,773 5,929 11,319 17,787 41,503 and 124,509, with no remainder.
Since 124,509 cannot be divided by just 1 and 124,509, it is not a prime number.