Q: Is 342,320 a Prime Number?
A: No, 342,320 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 342320 can be evenly divided by 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 389 440 778 880 1,556 1,945 3,112 3,890 4,279 6,224 7,780 8,558 15,560 17,116 21,395 31,120 34,232 42,790 68,464 85,580 171,160 and 342,320, with no remainder.
Since 342,320 cannot be divided by just 1 and 342,320, it is not a prime number.