Q: Is 3,681,615 a Prime Number?
A: No, 3,681,615 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 3681615 can be evenly divided by 1 3 5 7 15 21 35 49 105 147 245 735 5,009 15,027 25,045 35,063 75,135 105,189 175,315 245,441 525,945 736,323 1,227,205 and 3,681,615, with no remainder.
Since 3,681,615 cannot be divided by just 1 and 3,681,615, it is not a prime number.