Q: Is 1,388,548 a Prime Number?
A: No, 1,388,548 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 1388548 can be evenly divided by 1 2 4 7 14 28 101 202 404 491 707 982 1,414 1,964 2,828 3,437 6,874 13,748 49,591 99,182 198,364 347,137 694,274 and 1,388,548, with no remainder.
Since 1,388,548 cannot be divided by just 1 and 1,388,548, it is not a prime number.