Q: Is 2,101,120 a Composite Number?

Why is 2,101,120 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 2,101,120 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 67 70 80 98 112 128 134 140 160 196 224 245 268 280 320 335 392 448 469 490 536 560 640 670 784 896 938 980 1,072 1,120 1,340 1,568 1,876 1,960 2,144 2,240 2,345 2,680 3,136 3,283 3,752 3,920 4,288 4,480 4,690 5,360 6,272 6,566 7,504 7,840 8,576 9,380 10,720 13,132 15,008 15,680 16,415 18,760 21,440 26,264 30,016 31,360 32,830 37,520 42,880 52,528 60,032 65,660 75,040 105,056 131,320 150,080 210,112 262,640 300,160 420,224 525,280 1,050,560 and 2,101,120, with no remainder.

Since 2,101,120 cannot be divided by just 1 and 2,101,120, 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).