Q: Is 963,999 a Prime Number?
A: No, 963,999 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 963999 can be evenly divided by 1 3 9 23 69 207 4,657 13,971 41,913 107,111 321,333 and 963,999, with no remainder.
Since 963,999 cannot be divided by just 1 and 963,999, it is not a prime number.