Q: Is 3,750,021 a Prime Number?
A: No, 3,750,021 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 3750021 can be evenly divided by 1 3 9 11 33 99 37,879 113,637 340,911 416,669 1,250,007 and 3,750,021, with no remainder.
Since 3,750,021 cannot be divided by just 1 and 3,750,021, it is not a prime number.