Q: Is 43,420 a Prime Number?
A: No, 43,420 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 43420 can be evenly divided by 1 2 4 5 10 13 20 26 52 65 130 167 260 334 668 835 1,670 2,171 3,340 4,342 8,684 10,855 21,710 and 43,420, with no remainder.
Since 43,420 cannot be divided by just 1 and 43,420, it is not a prime number.