Q: Is 1,538,901 a Prime Number?
A: No, 1,538,901 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 1538901 can be evenly divided by 1 3 7 9 13 21 39 63 91 117 273 819 1,879 5,637 13,153 16,911 24,427 39,459 73,281 118,377 170,989 219,843 512,967 and 1,538,901, with no remainder.
Since 1,538,901 cannot be divided by just 1 and 1,538,901, it is not a prime number.