Q: Is 5,145,120 a Composite Number?

Why is 5,145,120 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 5,145,120 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 72 80 81 90 96 108 120 135 144 160 162 180 216 240 270 288 324 360 397 405 432 480 540 648 720 794 810 864 1,080 1,191 1,296 1,440 1,588 1,620 1,985 2,160 2,382 2,592 3,176 3,240 3,573 3,970 4,320 4,764 5,955 6,352 6,480 7,146 7,940 9,528 10,719 11,910 12,704 12,960 14,292 15,880 17,865 19,056 21,438 23,820 28,584 31,760 32,157 35,730 38,112 42,876 47,640 53,595 57,168 63,520 64,314 71,460 85,752 95,280 107,190 114,336 128,628 142,920 160,785 171,504 190,560 214,380 257,256 285,840 321,570 343,008 428,760 514,512 571,680 643,140 857,520 1,029,024 1,286,280 1,715,040 2,572,560 and 5,145,120, with no remainder.

Since 5,145,120 cannot be divided by just 1 and 5,145,120, 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).