Q: Is 813,440 a Composite Number?

 A: Yes, 813,440 is a composite number.

Why is 813,440 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 813,440 can be evenly divided by 1 2 4 5 8 10 16 20 31 32 40 41 62 64 80 82 124 128 155 160 164 205 248 310 320 328 410 496 620 640 656 820 992 1,240 1,271 1,312 1,640 1,984 2,480 2,542 2,624 3,280 3,968 4,960 5,084 5,248 6,355 6,560 9,920 10,168 12,710 13,120 19,840 20,336 25,420 26,240 40,672 50,840 81,344 101,680 162,688 203,360 406,720 and 813,440, with no remainder.

Since 813,440 cannot be divided by just 1 and 813,440, it is a composite number.


More Examples

Number 813,438813,439813,441813,442
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

Explore more about the number 813,440:


Ask a Question