Q: Is 120,666 a Prime Number?
A: No, 120,666 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 120666 can be evenly divided by 1 2 3 6 7 13 14 17 21 26 34 39 42 51 78 91 102 119 169 182 221 238 273 338 357 442 507 546 663 714 1,014 1,183 1,326 1,547 2,366 2,873 3,094 3,549 4,641 5,746 7,098 8,619 9,282 17,238 20,111 40,222 60,333 and 120,666, with no remainder.
Since 120,666 cannot be divided by just 1 and 120,666, it is not a prime number.