Q: Is 1,216,560 a Composite Number?

Why is 1,216,560 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 1,216,560 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 37 40 48 60 74 80 111 120 137 148 185 222 240 274 296 370 411 444 548 555 592 685 740 822 888 1,096 1,110 1,370 1,480 1,644 1,776 2,055 2,192 2,220 2,740 2,960 3,288 4,110 4,440 5,069 5,480 6,576 8,220 8,880 10,138 10,960 15,207 16,440 20,276 25,345 30,414 32,880 40,552 50,690 60,828 76,035 81,104 101,380 121,656 152,070 202,760 243,312 304,140 405,520 608,280 and 1,216,560, with no remainder.

Since 1,216,560 cannot be divided by just 1 and 1,216,560, 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).