Q: Is 1,601,280 a Composite Number?

Why is 1,601,280 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 1,601,280 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 139 144 160 180 192 240 256 278 288 320 360 384 417 480 556 576 640 695 720 768 834 960 1,112 1,152 1,251 1,280 1,390 1,440 1,668 1,920 2,085 2,224 2,304 2,502 2,780 2,880 3,336 3,840 4,170 4,448 5,004 5,560 5,760 6,255 6,672 8,340 8,896 10,008 11,120 11,520 12,510 13,344 16,680 17,792 20,016 22,240 25,020 26,688 33,360 35,584 40,032 44,480 50,040 53,376 66,720 80,064 88,960 100,080 106,752 133,440 160,128 177,920 200,160 266,880 320,256 400,320 533,760 800,640 and 1,601,280, with no remainder.

Since 1,601,280 cannot be divided by just 1 and 1,601,280, 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).