Q: Is 31,451,880 a Composite Number?

Why is 31,451,880 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 31,451,880 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 349 698 751 1,047 1,396 1,502 1,745 2,094 2,253 2,792 3,004 3,490 3,755 4,188 4,506 5,235 6,008 6,980 7,510 8,376 9,012 10,470 11,265 13,960 15,020 18,024 20,940 22,530 30,040 41,880 45,060 90,120 262,099 524,198 786,297 1,048,396 1,310,495 1,572,594 2,096,792 2,620,990 3,145,188 3,931,485 5,241,980 6,290,376 7,862,970 10,483,960 15,725,940 and 31,451,880, with no remainder.

Since 31,451,880 cannot be divided by just 1 and 31,451,880, 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).