Q: Is 387,126 a Prime Number?
A: No, 387,126 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 387126 can be evenly divided by 1 2 3 6 9 18 27 54 67 107 134 201 214 321 402 603 642 963 1,206 1,809 1,926 2,889 3,618 5,778 7,169 14,338 21,507 43,014 64,521 129,042 193,563 and 387,126, with no remainder.
Since 387,126 cannot be divided by just 1 and 387,126, it is not a prime number.