Q: Is 381,738 a Prime Number?
A: No, 381,738 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 381738 can be evenly divided by 1 2 3 6 7 14 21 42 61 122 149 183 298 366 427 447 854 894 1,043 1,281 2,086 2,562 3,129 6,258 9,089 18,178 27,267 54,534 63,623 127,246 190,869 and 381,738, with no remainder.
Since 381,738 cannot be divided by just 1 and 381,738, it is not a prime number.