Q: Is 247,820 a Prime Number?
A: No, 247,820 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 247820 can be evenly divided by 1 2 4 5 10 20 12,391 24,782 49,564 61,955 123,910 and 247,820, with no remainder.
Since 247,820 cannot be divided by just 1 and 247,820, it is not a prime number.