Q: Is 120,555 a Prime Number?
A: No, 120,555 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 120555 can be evenly divided by 1 3 5 9 15 19 27 45 47 57 95 135 141 171 235 285 423 513 705 855 893 1,269 2,115 2,565 2,679 4,465 6,345 8,037 13,395 24,111 40,185 and 120,555, with no remainder.
Since 120,555 cannot be divided by just 1 and 120,555, it is not a prime number.