Q: Is 724,120 a Prime Number?
A: No, 724,120 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 724120 can be evenly divided by 1 2 4 5 8 10 20 40 43 86 172 215 344 421 430 842 860 1,684 1,720 2,105 3,368 4,210 8,420 16,840 18,103 36,206 72,412 90,515 144,824 181,030 362,060 and 724,120, with no remainder.
Since 724,120 cannot be divided by just 1 and 724,120, it is not a prime number.