Q: Is 340,400 a Prime Number?
A: No, 340,400 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 340400 can be evenly divided by 1 2 4 5 8 10 16 20 23 25 37 40 46 50 74 80 92 100 115 148 184 185 200 230 296 368 370 400 460 575 592 740 851 920 925 1,150 1,480 1,702 1,840 1,850 2,300 2,960 3,404 3,700 4,255 4,600 6,808 7,400 8,510 9,200 13,616 14,800 17,020 21,275 34,040 42,550 68,080 85,100 170,200 and 340,400, with no remainder.
Since 340,400 cannot be divided by just 1 and 340,400, it is not a prime number.