Q: Is 3,720,640 a Composite Number?

Why is 3,720,640 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 3,720,640 can be evenly divided by 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 64 70 77 80 88 110 112 140 151 154 160 176 220 224 280 302 308 320 352 385 440 448 560 604 616 704 755 770 880 1,057 1,120 1,208 1,232 1,510 1,540 1,661 1,760 2,114 2,240 2,416 2,464 3,020 3,080 3,322 3,520 4,228 4,832 4,928 5,285 6,040 6,160 6,644 8,305 8,456 9,664 10,570 11,627 12,080 12,320 13,288 16,610 16,912 21,140 23,254 24,160 24,640 26,576 33,220 33,824 42,280 46,508 48,320 53,152 58,135 66,440 67,648 84,560 93,016 106,304 116,270 132,880 169,120 186,032 232,540 265,760 338,240 372,064 465,080 531,520 744,128 930,160 1,860,320 and 3,720,640, with no remainder.

Since 3,720,640 cannot be divided by just 1 and 3,720,640, 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).