Q: Is 1,257,880 a Composite Number?

Why is 1,257,880 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 1,257,880 can be evenly divided by 1 2 4 5 8 10 13 20 26 40 41 52 59 65 82 104 118 130 164 205 236 260 295 328 410 472 520 533 590 767 820 1,066 1,180 1,534 1,640 2,132 2,360 2,419 2,665 3,068 3,835 4,264 4,838 5,330 6,136 7,670 9,676 10,660 12,095 15,340 19,352 21,320 24,190 30,680 31,447 48,380 62,894 96,760 125,788 157,235 251,576 314,470 628,940 and 1,257,880, with no remainder.

Since 1,257,880 cannot be divided by just 1 and 1,257,880, 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).