Q: Is 2,660,640 a Composite Number?

Why is 2,660,640 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 2,660,640 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 241 276 345 368 460 480 482 552 690 723 736 920 964 1,104 1,205 1,380 1,446 1,840 1,928 2,208 2,410 2,760 2,892 3,615 3,680 3,856 4,820 5,520 5,543 5,784 7,230 7,712 9,640 11,040 11,086 11,568 14,460 16,629 19,280 22,172 23,136 27,715 28,920 33,258 38,560 44,344 55,430 57,840 66,516 83,145 88,688 110,860 115,680 133,032 166,290 177,376 221,720 266,064 332,580 443,440 532,128 665,160 886,880 1,330,320 and 2,660,640, with no remainder.

Since 2,660,640 cannot be divided by just 1 and 2,660,640, 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).