Q: Is 318,478 a Prime Number?
A: No, 318,478 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 318478 can be evenly divided by 1 2 17 19 29 34 38 58 289 323 493 551 578 646 986 1,102 5,491 8,381 9,367 10,982 16,762 18,734 159,239 and 318,478, with no remainder.
Since 318,478 cannot be divided by just 1 and 318,478, it is not a prime number.