Q: Is 125,135,157 a Composite Number?

Why is 125,135,157 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 125,135,157 can be evenly divided by 1 3 7 21 23 41 69 71 89 123 161 213 267 287 483 497 623 861 943 1,491 1,633 1,869 2,047 2,829 2,911 3,649 4,899 6,141 6,319 6,601 8,733 10,947 11,431 14,329 18,957 19,803 20,377 25,543 34,293 42,987 44,233 61,131 66,953 76,629 83,927 132,699 145,337 200,859 251,781 259,079 436,011 468,671 587,489 777,237 1,017,359 1,406,013 1,762,467 1,813,553 3,052,077 5,440,659 5,958,817 17,876,451 41,711,719 and 125,135,157, with no remainder.

Since 125,135,157 cannot be divided by just 1 and 125,135,157, 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).