Q: Is 2,615,661 a Prime Number?
A: No, 2,615,661 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 2615661 can be evenly divided by 1 3 9 163 489 1,467 1,783 5,349 16,047 290,629 871,887 and 2,615,661, with no remainder.
Since 2,615,661 cannot be divided by just 1 and 2,615,661, it is not a prime number.