Q: Is 2,366,660 a Prime Number?
A: No, 2,366,660 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 2366660 can be evenly divided by 1 2 4 5 10 20 73 146 292 365 730 1,460 1,621 3,242 6,484 8,105 16,210 32,420 118,333 236,666 473,332 591,665 1,183,330 and 2,366,660, with no remainder.
Since 2,366,660 cannot be divided by just 1 and 2,366,660, it is not a prime number.