Q: Is 2,661,501 a Prime Number?
A: No, 2,661,501 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 2661501 can be evenly divided by 1 3 19 53 57 159 881 1,007 2,643 3,021 16,739 46,693 50,217 140,079 887,167 and 2,661,501, with no remainder.
Since 2,661,501 cannot be divided by just 1 and 2,661,501, it is not a prime number.