Q: Is 3,646,720 a Composite Number?

Why is 3,646,720 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 3,646,720 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 37 40 44 55 56 64 70 74 77 80 88 110 112 128 140 148 154 160 176 185 220 224 256 259 280 296 308 320 352 370 385 407 440 448 518 560 592 616 640 704 740 770 814 880 896 1,036 1,120 1,184 1,232 1,280 1,295 1,408 1,480 1,540 1,628 1,760 1,792 2,035 2,072 2,240 2,368 2,464 2,590 2,816 2,849 2,960 3,080 3,256 3,520 4,070 4,144 4,480 4,736 4,928 5,180 5,698 5,920 6,160 6,512 7,040 8,140 8,288 8,960 9,472 9,856 10,360 11,396 11,840 12,320 13,024 14,080 14,245 16,280 16,576 19,712 20,720 22,792 23,680 24,640 26,048 28,490 32,560 33,152 41,440 45,584 47,360 49,280 52,096 56,980 65,120 66,304 82,880 91,168 98,560 104,192 113,960 130,240 165,760 182,336 227,920 260,480 331,520 364,672 455,840 520,960 729,344 911,680 1,823,360 and 3,646,720, with no remainder.

Since 3,646,720 cannot be divided by just 1 and 3,646,720, 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).