Q: Is 155,220 a Composite Number?

 A: Yes, 155,220 is a composite number.

Why is 155,220 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 155,220 can be evenly divided by 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 199 260 390 398 597 780 796 995 1,194 1,990 2,388 2,587 2,985 3,980 5,174 5,970 7,761 10,348 11,940 12,935 15,522 25,870 31,044 38,805 51,740 77,610 and 155,220, with no remainder.

Since 155,220 cannot be divided by just 1 and 155,220, it is a composite number.


More Examples

Number 155,218155,219155,221155,222
Composite? yesnoyesyes
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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