Q: Is 3,968,280 a Composite Number?

Why is 3,968,280 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 3,968,280 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 73 90 120 146 151 180 219 292 302 360 365 438 453 584 604 657 730 755 876 906 1,095 1,208 1,314 1,359 1,460 1,510 1,752 1,812 2,190 2,265 2,628 2,718 2,920 3,020 3,285 3,624 4,380 4,530 5,256 5,436 6,040 6,570 6,795 8,760 9,060 10,872 11,023 13,140 13,590 18,120 22,046 26,280 27,180 33,069 44,092 54,360 55,115 66,138 88,184 99,207 110,230 132,276 165,345 198,414 220,460 264,552 330,690 396,828 440,920 496,035 661,380 793,656 992,070 1,322,760 1,984,140 and 3,968,280, with no remainder.

Since 3,968,280 cannot be divided by just 1 and 3,968,280, 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).