Q: Is 1,551,040 a Composite Number?

Why is 1,551,040 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 1,551,040 can be evenly divided by 1 2 4 5 8 10 16 20 32 37 40 64 74 80 131 148 160 185 262 296 320 370 524 592 655 740 1,048 1,184 1,310 1,480 2,096 2,368 2,620 2,960 4,192 4,847 5,240 5,920 8,384 9,694 10,480 11,840 19,388 20,960 24,235 38,776 41,920 48,470 77,552 96,940 155,104 193,880 310,208 387,760 775,520 and 1,551,040, with no remainder.

Since 1,551,040 cannot be divided by just 1 and 1,551,040, 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).