Q: Is 1,155,200 a Composite Number?

Why is 1,155,200 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 1,155,200 can be evenly divided by 1 2 4 5 8 10 16 19 20 25 32 38 40 50 64 76 80 95 100 128 152 160 190 200 304 320 361 380 400 475 608 640 722 760 800 950 1,216 1,444 1,520 1,600 1,805 1,900 2,432 2,888 3,040 3,200 3,610 3,800 5,776 6,080 7,220 7,600 9,025 11,552 12,160 14,440 15,200 18,050 23,104 28,880 30,400 36,100 46,208 57,760 60,800 72,200 115,520 144,400 231,040 288,800 577,600 and 1,155,200, with no remainder.

Since 1,155,200 cannot be divided by just 1 and 1,155,200, 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).