Q: Is 1,387,113 a Prime Number?
A: No, 1,387,113 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 1387113 can be evenly divided by 1 3 7 13 21 39 91 273 5,081 15,243 35,567 66,053 106,701 198,159 462,371 and 1,387,113, with no remainder.
Since 1,387,113 cannot be divided by just 1 and 1,387,113, it is not a prime number.