Q: Is 21,476 a Prime Number?
A: No, 21,476 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 21476 can be evenly divided by 1 2 4 7 13 14 26 28 52 59 91 118 182 236 364 413 767 826 1,534 1,652 3,068 5,369 10,738 and 21,476, with no remainder.
Since 21,476 cannot be divided by just 1 and 21,476, it is not a prime number.