Q: Is 340,518 a Prime Number?
A: No, 340,518 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 340518 can be evenly divided by 1 2 3 6 19 29 38 57 58 87 103 114 174 206 309 551 618 1,102 1,653 1,957 2,987 3,306 3,914 5,871 5,974 8,961 11,742 17,922 56,753 113,506 170,259 and 340,518, with no remainder.
Since 340,518 cannot be divided by just 1 and 340,518, it is not a prime number.