Q: Is 20,242,880 a Composite Number?

Why is 20,242,880 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 20,242,880 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 392 448 490 560 784 980 1,120 1,291 1,568 1,960 2,240 2,582 3,136 3,920 5,164 6,455 7,840 9,037 10,328 12,910 15,680 18,074 20,656 25,820 36,148 41,312 45,185 51,640 63,259 72,296 82,624 90,370 103,280 126,518 144,592 180,740 206,560 253,036 289,184 316,295 361,480 413,120 506,072 578,368 632,590 722,960 1,012,144 1,265,180 1,445,920 2,024,288 2,530,360 2,891,840 4,048,576 5,060,720 10,121,440 and 20,242,880, with no remainder.

Since 20,242,880 cannot be divided by just 1 and 20,242,880, 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).