Q: Is 1,573,520 a Composite Number?

Why is 1,573,520 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 1,573,520 can be evenly divided by 1 2 4 5 8 10 13 16 17 20 26 34 40 52 65 68 80 85 89 104 130 136 170 178 208 221 260 272 340 356 442 445 520 680 712 884 890 1,040 1,105 1,157 1,360 1,424 1,513 1,768 1,780 2,210 2,314 3,026 3,536 3,560 4,420 4,628 5,785 6,052 7,120 7,565 8,840 9,256 11,570 12,104 15,130 17,680 18,512 19,669 23,140 24,208 30,260 39,338 46,280 60,520 78,676 92,560 98,345 121,040 157,352 196,690 314,704 393,380 786,760 and 1,573,520, with no remainder.

Since 1,573,520 cannot be divided by just 1 and 1,573,520, 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).