Q: Is 2,548,470 a Composite Number?

Why is 2,548,470 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 2,548,470 can be evenly divided by 1 2 3 5 6 10 15 17 19 30 34 38 51 57 85 95 102 114 170 190 255 263 285 323 510 526 570 646 789 969 1,315 1,578 1,615 1,938 2,630 3,230 3,945 4,471 4,845 4,997 7,890 8,942 9,690 9,994 13,413 14,991 22,355 24,985 26,826 29,982 44,710 49,970 67,065 74,955 84,949 134,130 149,910 169,898 254,847 424,745 509,694 849,490 1,274,235 and 2,548,470, with no remainder.

Since 2,548,470 cannot be divided by just 1 and 2,548,470, 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).