Q: Is 221,325,440 a Composite Number?

Why is 221,325,440 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 221,325,440 can be evenly divided by 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 127 128 140 160 224 254 280 320 389 448 508 560 635 640 778 889 896 1,016 1,120 1,270 1,556 1,778 1,945 2,032 2,240 2,540 2,723 3,112 3,556 3,890 4,064 4,445 4,480 5,080 5,446 6,224 7,112 7,780 8,128 8,890 10,160 10,892 12,448 13,615 14,224 15,560 16,256 17,780 20,320 21,784 24,896 27,230 28,448 31,120 35,560 40,640 43,568 49,403 49,792 54,460 56,896 62,240 71,120 81,280 87,136 98,806 108,920 113,792 124,480 142,240 174,272 197,612 217,840 247,015 248,960 284,480 345,821 348,544 395,224 435,680 494,030 568,960 691,642 790,448 871,360 988,060 1,383,284 1,580,896 1,729,105 1,742,720 1,976,120 2,766,568 3,161,792 3,458,210 3,952,240 5,533,136 6,323,584 6,916,420 7,904,480 11,066,272 13,832,840 15,808,960 22,132,544 27,665,680 31,617,920 44,265,088 55,331,360 110,662,720 and 221,325,440, with no remainder.

Since 221,325,440 cannot be divided by just 1 and 221,325,440, 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).