Q: Is 3,561,606 a Prime Number?
A: No, 3,561,606 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 3561606 can be evenly divided by 1 2 3 6 9 18 29 58 87 174 261 522 6,823 13,646 20,469 40,938 61,407 122,814 197,867 395,734 593,601 1,187,202 1,780,803 and 3,561,606, with no remainder.
Since 3,561,606 cannot be divided by just 1 and 3,561,606, it is not a prime number.