Q: Is 125,550 a Prime Number?
A: No, 125,550 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 125550 can be evenly divided by 1 2 3 5 6 9 10 15 18 25 27 30 31 45 50 54 62 75 81 90 93 135 150 155 162 186 225 270 279 310 405 450 465 558 675 775 810 837 930 1,350 1,395 1,550 1,674 2,025 2,325 2,511 2,790 4,050 4,185 4,650 5,022 6,975 8,370 12,555 13,950 20,925 25,110 41,850 62,775 and 125,550, with no remainder.
Since 125,550 cannot be divided by just 1 and 125,550, it is not a prime number.