Q: Is 725,220 a Composite Number?

 A: Yes, 725,220 is a composite number.

Why is 725,220 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 725,220 can be evenly divided by 1 2 3 4 5 6 9 10 12 15 17 18 20 27 30 34 36 45 51 54 60 68 79 85 90 102 108 135 153 158 170 180 204 237 255 270 306 316 340 395 459 474 510 540 612 711 765 790 918 948 1,020 1,185 1,343 1,422 1,530 1,580 1,836 2,133 2,295 2,370 2,686 2,844 3,060 3,555 4,029 4,266 4,590 4,740 5,372 6,715 7,110 8,058 8,532 9,180 10,665 12,087 13,430 14,220 16,116 20,145 21,330 24,174 26,860 36,261 40,290 42,660 48,348 60,435 72,522 80,580 120,870 145,044 181,305 241,740 362,610 and 725,220, with no remainder.

Since 725,220 cannot be divided by just 1 and 725,220, it is a composite number.


More Examples

Number 725,218725,219725,221725,222
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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