Q: Is 506,121 a Prime Number?
A: No, 506,121 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 506121 can be evenly divided by 1 3 7 11 21 33 49 77 147 231 313 539 939 1,617 2,191 3,443 6,573 10,329 15,337 24,101 46,011 72,303 168,707 and 506,121, with no remainder.
Since 506,121 cannot be divided by just 1 and 506,121, it is not a prime number.