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Q: Are composite numbers closed under multiplication?

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Is { 0, 20 } closed under multiplication

Rational numbers are closed under multiplication, because if you multiply any rational number you will get a pattern. Rational numbers also have a pattern or terminatge, which is good to keep in mind.

Yes. They are closed under addition, subtraction, multiplication. The rational numbers WITHOUT ZERO are closed under division.

No, they are not. You can add two composite numbers, 15 and 14 for example, and get a sum, 29, that is prime.

Yes. In general, the set of rational numbers is closed under addition, subtraction, and multiplication; and the set of rational numbers without zero is closed under division.

Related questions

Is { 0, 20 } closed under multiplication

No.

Rational numbers are closed under addition, subtraction, multiplication. They are not closed under division, since you can't divide by zero. However, rational numbers excluding the zero are closed under division.

Yes.natural numbers are closed under multiplication.It means when the operation is done with natural numbers in multiplication the sum of two numbers is always the natural number.

Yes.

Yes.

The numbers are not closed under addition because whole numbers, even integers, and natural numbers are closed.

IS natural numbers are closed under multiplication? Please answer as soon as possible. Thank You!

yes

Yes.

Yes.

Yes, it is.