Q: Is 247,720 a Prime Number?
A: No, 247,720 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 247720 can be evenly divided by 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 563 1,126 2,252 2,815 4,504 5,630 6,193 11,260 12,386 22,520 24,772 30,965 49,544 61,930 123,860 and 247,720, with no remainder.
Since 247,720 cannot be divided by just 1 and 247,720, it is not a prime number.