Q: Is 20,677 a Prime Number?
A: No, 20,677 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 20677 can be evenly divided by 1 23 29 31 667 713 899 and 20,677, with no remainder.
Since 20,677 cannot be divided by just 1 and 20,677, it is not a prime number.