Q: Is 2,445,120 a Composite Number?

Why is 2,445,120 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 2,445,120 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 96 108 120 135 144 160 180 192 216 240 270 283 288 320 360 432 480 540 566 576 720 849 864 960 1,080 1,132 1,415 1,440 1,698 1,728 2,160 2,264 2,547 2,830 2,880 3,396 4,245 4,320 4,528 5,094 5,660 6,792 7,641 8,490 8,640 9,056 10,188 11,320 12,735 13,584 15,282 16,980 18,112 20,376 22,640 25,470 27,168 30,564 33,960 38,205 40,752 45,280 50,940 54,336 61,128 67,920 76,410 81,504 90,560 101,880 122,256 135,840 152,820 163,008 203,760 244,512 271,680 305,640 407,520 489,024 611,280 815,040 1,222,560 and 2,445,120, with no remainder.

Since 2,445,120 cannot be divided by just 1 and 2,445,120, 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).