Q: Is 1,257,480 a Composite Number?

Why is 1,257,480 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 1,257,480 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 28 30 35 36 40 42 45 56 60 63 70 72 84 90 105 120 126 140 168 180 210 252 280 315 360 420 499 504 630 840 998 1,260 1,497 1,996 2,495 2,520 2,994 3,493 3,992 4,491 4,990 5,988 6,986 7,485 8,982 9,980 10,479 11,976 13,972 14,970 17,465 17,964 19,960 20,958 22,455 27,944 29,940 31,437 34,930 35,928 41,916 44,910 52,395 59,880 62,874 69,860 83,832 89,820 104,790 125,748 139,720 157,185 179,640 209,580 251,496 314,370 419,160 628,740 and 1,257,480, with no remainder.

Since 1,257,480 cannot be divided by just 1 and 1,257,480, 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).