Q: Is 2,173,216 a Prime Number?
A: No, 2,173,216 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 2173216 can be evenly divided by 1 2 4 8 16 32 113 226 452 601 904 1,202 1,808 2,404 3,616 4,808 9,616 19,232 67,913 135,826 271,652 543,304 1,086,608 and 2,173,216, with no remainder.
Since 2,173,216 cannot be divided by just 1 and 2,173,216, it is not a prime number.