Q: Is 1,378,167 a Prime Number?
A: No, 1,378,167 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 1378167 can be evenly divided by 1 3 7 21 29 31 73 87 93 203 217 219 511 609 651 899 1,533 2,117 2,263 2,697 6,293 6,351 6,789 14,819 15,841 18,879 44,457 47,523 65,627 196,881 459,389 and 1,378,167, with no remainder.
Since 1,378,167 cannot be divided by just 1 and 1,378,167, it is not a prime number.