Q: Is 268,320 a Prime Number?
A: No, 268,320 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 268320 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 43 48 52 60 65 78 80 86 96 104 120 129 130 156 160 172 195 208 215 240 258 260 312 344 390 416 430 480 516 520 559 624 645 688 780 860 1,032 1,040 1,118 1,248 1,290 1,376 1,560 1,677 1,720 2,064 2,080 2,236 2,580 2,795 3,120 3,354 3,440 4,128 4,472 5,160 5,590 6,240 6,708 6,880 8,385 8,944 10,320 11,180 13,416 16,770 17,888 20,640 22,360 26,832 33,540 44,720 53,664 67,080 89,440 134,160 and 268,320, with no remainder.
Since 268,320 cannot be divided by just 1 and 268,320, it is not a prime number.