Q: Is 153,972 a Composite Number?

Why is 153,972 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 153,972 can be evenly divided by 1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 47 52 63 78 84 91 94 117 126 141 156 182 188 234 252 273 282 329 364 423 468 546 564 611 658 819 846 987 1,092 1,222 1,316 1,638 1,692 1,833 1,974 2,444 2,961 3,276 3,666 3,948 4,277 5,499 5,922 7,332 8,554 10,998 11,844 12,831 17,108 21,996 25,662 38,493 51,324 76,986 and 153,972, with no remainder.

Since 153,972 cannot be divided by just 1 and 153,972, 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).