Q: Is 647,400 a Composite Number?

Why is 647,400 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 647,400 can be evenly divided by 1 2 3 4 5 6 8 10 12 13 15 20 24 25 26 30 39 40 50 52 60 65 75 78 83 100 104 120 130 150 156 166 195 200 249 260 300 312 325 332 390 415 498 520 600 650 664 780 830 975 996 1,079 1,245 1,300 1,560 1,660 1,950 1,992 2,075 2,158 2,490 2,600 3,237 3,320 3,900 4,150 4,316 4,980 5,395 6,225 6,474 7,800 8,300 8,632 9,960 10,790 12,450 12,948 16,185 16,600 21,580 24,900 25,896 26,975 32,370 43,160 49,800 53,950 64,740 80,925 107,900 129,480 161,850 215,800 323,700 and 647,400, with no remainder.

Since 647,400 cannot be divided by just 1 and 647,400, 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).