Q: Is 20,972 a Prime Number?
A: No, 20,972 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 20972 can be evenly divided by 1 2 4 7 14 28 49 98 107 196 214 428 749 1,498 2,996 5,243 10,486 and 20,972, with no remainder.
Since 20,972 cannot be divided by just 1 and 20,972, it is not a prime number.