Q: Is 1,671,138 a Prime Number?
A: No, 1,671,138 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 1671138 can be evenly divided by 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 4,421 8,842 13,263 26,526 30,947 39,789 61,894 79,578 92,841 119,367 185,682 238,734 278,523 557,046 835,569 and 1,671,138, with no remainder.
Since 1,671,138 cannot be divided by just 1 and 1,671,138, it is not a prime number.