Q: Is 20,424 a Prime Number?
A: No, 20,424 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 20424 can be evenly divided by 1 2 3 4 6 8 12 23 24 37 46 69 74 92 111 138 148 184 222 276 296 444 552 851 888 1,702 2,553 3,404 5,106 6,808 10,212 and 20,424, with no remainder.
Since 20,424 cannot be divided by just 1 and 20,424, it is not a prime number.