Q: Is 318,240 a Prime Number?
A: No, 318,240 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 318240 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 32 34 36 39 40 45 48 51 52 60 65 68 72 78 80 85 90 96 102 104 117 120 130 136 144 153 156 160 170 180 195 204 208 221 234 240 255 260 272 288 306 312 340 360 390 408 416 442 468 480 510 520 544 585 612 624 663 680 720 765 780 816 884 936 1,020 1,040 1,105 1,170 1,224 1,248 1,326 1,360 1,440 1,530 1,560 1,632 1,768 1,872 1,989 2,040 2,080 2,210 2,340 2,448 2,652 2,720 3,060 3,120 3,315 3,536 3,744 3,978 4,080 4,420 4,680 4,896 5,304 6,120 6,240 6,630 7,072 7,956 8,160 8,840 9,360 9,945 10,608 12,240 13,260 15,912 17,680 18,720 19,890 21,216 24,480 26,520 31,824 35,360 39,780 53,040 63,648 79,560 106,080 159,120 and 318,240, with no remainder.
Since 318,240 cannot be divided by just 1 and 318,240, it is not a prime number.