Q: Is 1,574,720 a Composite Number?

Why is 1,574,720 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 1,574,720 can be evenly divided by 1 2 4 5 7 8 10 14 16 19 20 28 32 35 37 38 40 56 64 70 74 76 80 95 112 133 140 148 152 160 185 190 224 259 266 280 296 304 320 370 380 448 518 532 560 592 608 665 703 740 760 1,036 1,064 1,120 1,184 1,216 1,295 1,330 1,406 1,480 1,520 2,072 2,128 2,240 2,368 2,590 2,660 2,812 2,960 3,040 3,515 4,144 4,256 4,921 5,180 5,320 5,624 5,920 6,080 7,030 8,288 8,512 9,842 10,360 10,640 11,248 11,840 14,060 16,576 19,684 20,720 21,280 22,496 24,605 28,120 39,368 41,440 42,560 44,992 49,210 56,240 78,736 82,880 98,420 112,480 157,472 196,840 224,960 314,944 393,680 787,360 and 1,574,720, with no remainder.

Since 1,574,720 cannot be divided by just 1 and 1,574,720, 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).