Q: Is 1,538,880 a Composite Number?

Why is 1,538,880 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 1,538,880 can be evenly divided by 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 229 240 280 320 336 420 448 458 480 560 672 687 840 916 960 1,120 1,145 1,344 1,374 1,603 1,680 1,832 2,240 2,290 2,748 3,206 3,360 3,435 3,664 4,580 4,809 5,496 6,412 6,720 6,870 7,328 8,015 9,160 9,618 10,992 12,824 13,740 14,656 16,030 18,320 19,236 21,984 24,045 25,648 27,480 32,060 36,640 38,472 43,968 48,090 51,296 54,960 64,120 73,280 76,944 96,180 102,592 109,920 128,240 153,888 192,360 219,840 256,480 307,776 384,720 512,960 769,440 and 1,538,880, with no remainder.

Since 1,538,880 cannot be divided by just 1 and 1,538,880, 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).