Q: Is 5,378,139 a Prime Number?
A: No, 5,378,139 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 5378139 can be evenly divided by 1 3 9 13 39 43 117 129 387 559 1,069 1,677 3,207 5,031 9,621 13,897 41,691 45,967 125,073 137,901 413,703 597,571 1,792,713 and 5,378,139, with no remainder.
Since 5,378,139 cannot be divided by just 1 and 5,378,139, it is not a prime number.