Q: Is 2,574,720 a Composite Number?

Why is 2,574,720 a composite number?

A composite number is a number that can be divided evenly by more numbers than 1 and itself. It is the opposite of a prime number.

The number 2,574,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 149 160 180 192 216 240 270 288 298 320 360 384 432 447 480 540 576 596 640 720 745 864 894 960 1,080 1,152 1,192 1,341 1,440 1,490 1,728 1,788 1,920 2,160 2,235 2,384 2,682 2,880 2,980 3,456 3,576 4,023 4,320 4,470 4,768 5,364 5,760 5,960 6,705 7,152 8,046 8,640 8,940 9,536 10,728 11,920 13,410 14,304 16,092 17,280 17,880 19,072 20,115 21,456 23,840 26,820 28,608 32,184 35,760 40,230 42,912 47,680 53,640 57,216 64,368 71,520 80,460 85,824 95,360 107,280 128,736 143,040 160,920 171,648 214,560 257,472 286,080 321,840 429,120 514,944 643,680 858,240 1,287,360 and 2,574,720, with no remainder.

Since 2,574,720 cannot be divided by just 1 and 2,574,720, it is a composite number.

More Examples

• All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).