Q: Is 1,376,406 a Prime Number?
A: No, 1,376,406 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 1376406 can be evenly divided by 1 2 3 6 9 18 27 54 71 142 213 359 426 639 718 1,077 1,278 1,917 2,154 3,231 3,834 6,462 9,693 19,386 25,489 50,978 76,467 152,934 229,401 458,802 688,203 and 1,376,406, with no remainder.
Since 1,376,406 cannot be divided by just 1 and 1,376,406, it is not a prime number.