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The product of multiplication results in a number that has all of the factors of the two numbers being multiplied. All even numbers have the prime factor 2. Since no odd number has the factor 2, no product of those numbers can have it. So:

- Odd numbers times odd numbers produce odd numbers.

- Odd numbers times even numbers produce even numbers.

- Even numbers times even numbers produce even numbers.

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Q: When multiplying an odd number by an odd number why is the result odd?
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What even number and odd number equal a even number?

Your question is incomplete. Adding an even number with an odd number will always result in an odd number. Multiplying an even number with an odd number will always result in an even number.


What is an odd number minus an even number?

an odd numberSubtracting an odd number from an even number will always result in an odd number.


When you multiply two prime numbers you always get an odd number?

No. 2 times 3 is 6. Multiplying any number by 2 will make it even. Other than that, since all other prime numbers are odd, yes.No, because 2 is a prime number, and any prime number multiplied by 2 is even. However, for any product in which 2 is not a factor, it is odd by definition.


What is an odd number minus odd number?

All odd numbers are of the form 2n + 1, where n is an integer.So an odd number minus an odd number is (2n+1) - (2m+1) = 2n -2m = 2(n-m). Both n and m are integers, so while we don't know whether n-m is odd or even, we definitely know that it's an integer and that multiplying it by two cannot possibly give an odd number. So an odd number minus an odd number is an even number. For similar reasons, an odd number plus an odd number is also an even number.


Is a odd number plus a odd number odd?

No never If you add an odd number to another odd number it will result in even number eg. 1+3=4, 7+9=16, 211+313=524 etc Even if you add even to even it results in even only eg. 2+2=4, 210+512=722 etc But if you add an Even no with an Odd number it will always result in an odd sum eg. 2+3=5, 313+512=825 etc.

Related questions

What even number and odd number equal a even number?

Your question is incomplete. Adding an even number with an odd number will always result in an odd number. Multiplying an even number with an odd number will always result in an even number.


When you multiply an odd number by an odd number is the answer always odd?

Yes - while multiplying odd numbers by even numbers will always produce an even result.


Which numbers when multiplied by 5 gives an odd numbers?

Every odd number. Multiplying two even numbers gives an even number. Multiplying an odd and an even number gives an even number. Multiplying two odd numbers gives an odd number.


What are the rules of multiplying odd and even numbers?

Multiplying two odds together gives an odd result Otherwise multiplying one even and one odd, or two even numbers together gives an even result.


Does multiplying an odd number by an even number give an even answer?

odd * odd = odd answer even * even = even answer odd * even = even answer


Does a negative squared equal a positive or negative?

A negative number squared equals a positive number. When multiplying, odd numbers of negatives result in a negative answer, and even numbers of negatives result in a positive answer.


Multiplying an odd number by an even gives an even number?

Yes


What are facts about the number 45?

45 is an odd number. It is the result of multiplying 5 by 9. In a 24-hour clock, 45 minutes is three-quarters of an hour.


When multiplying two numbers with different signs the result will be?

Multiplying a positive and negative number will give a negative result. The result is a negative number.


What happens when you add three odd number?

The result is an odd number.


What is the rule for multiplying an odd and even number?

Your answer will always be even


What is an odd number minus an even number?

an odd numberSubtracting an odd number from an even number will always result in an odd number.