Q: Is 43,561 a Prime Number?
A: No, 43,561 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 43561 can be evenly divided by 1 7 49 127 343 889 6,223 and 43,561, with no remainder.
Since 43,561 cannot be divided by just 1 and 43,561, it is not a prime number.