Q: Is 3,761,721 a Prime Number?
A: No, 3,761,721 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 3761721 can be evenly divided by 1 3 9 27 81 46,441 139,323 417,969 1,253,907 and 3,761,721, with no remainder.
Since 3,761,721 cannot be divided by just 1 and 3,761,721, it is not a prime number.