Q: Is 1,388,748 a Prime Number?
A: No, 1,388,748 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 1388748 can be evenly divided by 1 2 3 4 6 12 19 38 57 76 114 228 6,091 12,182 18,273 24,364 36,546 73,092 115,729 231,458 347,187 462,916 694,374 and 1,388,748, with no remainder.
Since 1,388,748 cannot be divided by just 1 and 1,388,748, it is not a prime number.