Q: Is 1,601,622 a Prime Number?
A: No, 1,601,622 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 1601622 can be evenly divided by 1 2 3 6 9 11 18 22 33 66 99 198 8,089 16,178 24,267 48,534 72,801 88,979 145,602 177,958 266,937 533,874 800,811 and 1,601,622, with no remainder.
Since 1,601,622 cannot be divided by just 1 and 1,601,622, it is not a prime number.