Q: Is 343,920 a Prime Number?
A: No, 343,920 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 343920 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 1,433 2,866 4,299 5,732 7,165 8,598 11,464 14,330 17,196 21,495 22,928 28,660 34,392 42,990 57,320 68,784 85,980 114,640 171,960 and 343,920, with no remainder.
Since 343,920 cannot be divided by just 1 and 343,920, it is not a prime number.