Q: Is 1,387,926 a Prime Number?
A: No, 1,387,926 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 1387926 can be evenly divided by 1 2 3 6 9 18 83 166 249 498 747 929 1,494 1,858 2,787 5,574 8,361 16,722 77,107 154,214 231,321 462,642 693,963 and 1,387,926, with no remainder.
Since 1,387,926 cannot be divided by just 1 and 1,387,926, it is not a prime number.