Q: Is 1,540,674 a Prime Number?
A: No, 1,540,674 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 1540674 can be evenly divided by 1 2 3 6 9 18 27 54 103 206 277 309 554 618 831 927 1,662 1,854 2,493 2,781 4,986 5,562 7,479 14,958 28,531 57,062 85,593 171,186 256,779 513,558 770,337 and 1,540,674, with no remainder.
Since 1,540,674 cannot be divided by just 1 and 1,540,674, it is not a prime number.