Q: Is 2,141,440 a Composite Number?

Why is 2,141,440 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 2,141,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 239 256 280 320 448 478 560 640 896 956 1,120 1,195 1,280 1,673 1,792 1,912 2,240 2,390 3,346 3,824 4,480 4,780 6,692 7,648 8,365 8,960 9,560 13,384 15,296 16,730 19,120 26,768 30,592 33,460 38,240 53,536 61,184 66,920 76,480 107,072 133,840 152,960 214,144 267,680 305,920 428,288 535,360 1,070,720 and 2,141,440, with no remainder.

Since 2,141,440 cannot be divided by just 1 and 2,141,440, 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).