Q: Is 27,820 a Prime Number?
A: No, 27,820 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 27820 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 107 130 214 260 428 535 1,070 1,391 2,140 2,782 5,564 6,955 13,910 and 27,820, with no remainder.
Since 27,820 cannot be divided by just 1 and 27,820, it is not a prime number.