Q: Is 945,720 a Composite Number?

Why is 945,720 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 945,720 can be evenly divided by 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 37 40 45 60 71 72 74 90 111 120 142 148 180 185 213 222 284 296 333 355 360 370 426 444 555 568 639 666 710 740 852 888 1,065 1,110 1,278 1,332 1,420 1,480 1,665 1,704 2,130 2,220 2,556 2,627 2,664 2,840 3,195 3,330 4,260 4,440 5,112 5,254 6,390 6,660 7,881 8,520 10,508 12,780 13,135 13,320 15,762 21,016 23,643 25,560 26,270 31,524 39,405 47,286 52,540 63,048 78,810 94,572 105,080 118,215 157,620 189,144 236,430 315,240 472,860 and 945,720, with no remainder.

Since 945,720 cannot be divided by just 1 and 945,720, 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).