Q: Is 121,615 a Prime Number?
A: No, 121,615 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 121615 can be evenly divided by 1 5 13 65 1,871 9,355 24,323 and 121,615, with no remainder.
Since 121,615 cannot be divided by just 1 and 121,615, it is not a prime number.