Q: Is 955,643 a Prime Number?
A: No, 955,643 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 955643 can be evenly divided by 1 13 19 53 73 247 689 949 1,007 1,387 3,869 13,091 18,031 50,297 73,511 and 955,643, with no remainder.
Since 955,643 cannot be divided by just 1 and 955,643, it is not a prime number.