Q: Is 721,680 a Composite Number?

 A: Yes, 721,680 is a composite number.

Why is 721,680 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 721,680 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 97 120 124 155 186 194 240 248 291 310 372 388 465 485 496 582 620 744 776 930 970 1,164 1,240 1,455 1,488 1,552 1,860 1,940 2,328 2,480 2,910 3,007 3,720 3,880 4,656 5,820 6,014 7,440 7,760 9,021 11,640 12,028 15,035 18,042 23,280 24,056 30,070 36,084 45,105 48,112 60,140 72,168 90,210 120,280 144,336 180,420 240,560 360,840 and 721,680, with no remainder.

Since 721,680 cannot be divided by just 1 and 721,680, it is a composite number.


More Examples

Number 721,678721,679721,681721,682
Composite? yesyesyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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