Q: Is 260,400 a Prime Number?
A: No, 260,400 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 260400 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 31 35 40 42 48 50 56 60 62 70 75 80 84 93 100 105 112 120 124 140 150 155 168 175 186 200 210 217 240 248 280 300 310 336 350 372 400 420 434 465 496 525 560 600 620 651 700 744 775 840 868 930 1,050 1,085 1,200 1,240 1,302 1,400 1,488 1,550 1,680 1,736 1,860 2,100 2,170 2,325 2,480 2,604 2,800 3,100 3,255 3,472 3,720 4,200 4,340 4,650 5,208 5,425 6,200 6,510 7,440 8,400 8,680 9,300 10,416 10,850 12,400 13,020 16,275 17,360 18,600 21,700 26,040 32,550 37,200 43,400 52,080 65,100 86,800 130,200 and 260,400, with no remainder.
Since 260,400 cannot be divided by just 1 and 260,400, it is not a prime number.