Q: Is 1,336,671 a Prime Number?
A: No, 1,336,671 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 1336671 can be evenly divided by 1 3 7 9 21 49 63 147 343 433 441 1,029 1,299 3,031 3,087 3,897 9,093 21,217 27,279 63,651 148,519 190,953 445,557 and 1,336,671, with no remainder.
Since 1,336,671 cannot be divided by just 1 and 1,336,671, it is not a prime number.