Q: Is 2,560,400 a Composite Number?

Why is 2,560,400 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 2,560,400 can be evenly divided by 1 2 4 5 8 10 16 20 25 37 40 50 74 80 100 148 173 185 200 296 346 370 400 592 692 740 865 925 1,384 1,480 1,730 1,850 2,768 2,960 3,460 3,700 4,325 6,401 6,920 7,400 8,650 12,802 13,840 14,800 17,300 25,604 32,005 34,600 51,208 64,010 69,200 102,416 128,020 160,025 256,040 320,050 512,080 640,100 1,280,200 and 2,560,400, with no remainder.

Since 2,560,400 cannot be divided by just 1 and 2,560,400, 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).