Q: Is 338,240 a Prime Number?
A: No, 338,240 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 338240 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 151 160 224 280 302 320 448 560 604 755 1,057 1,120 1,208 1,510 2,114 2,240 2,416 3,020 4,228 4,832 5,285 6,040 8,456 9,664 10,570 12,080 16,912 21,140 24,160 33,824 42,280 48,320 67,648 84,560 169,120 and 338,240, with no remainder.
Since 338,240 cannot be divided by just 1 and 338,240, it is not a prime number.