Q: Is 3,401,678 a Prime Number?
A: No, 3,401,678 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 3401678 can be evenly divided by 1 2 7 14 49 98 103 206 337 674 721 1,442 2,359 4,718 5,047 10,094 16,513 33,026 34,711 69,422 242,977 485,954 1,700,839 and 3,401,678, with no remainder.
Since 3,401,678 cannot be divided by just 1 and 3,401,678, it is not a prime number.