Q: When you multiply and divide using only prime numbers is the result always a prime number?

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You will end up with a positive number. With integers, if you multiply or divide an even amount of negative numbers, the answer will be positive and if you multiply or divide an odd amount, the answer will be negative.

Actually it does, whenever you mulitply and divide two negative and two positive numbers they always equal a positive number. When you multiply and divide a negative and positive they always equal a negative number.

just divide that number by 2

If you add, subtract or multiply rational numbers, the result will be a rational number. It will also be so if you divide by a non-zero rational number. But division by zero is not defined.

first multiply 3 to all numbers and if its into number 7 multiply it and what number you stop it will be the answer

The easiest way is to divide the numbers by a million than multiply the answer by a million. Remember that if you divide one number by a million than you have to divide all the other numbers by a million too other wise your answer will be incorrect.

No, the product will always be even.

Any number you Divide or Multiply by 0, will always Equal 0.

one fourth: divide the number by 4, or multiply it by 0.25half: divide the number by 2, or multiply it by 0.5 three fourths: multiply the answer to the first by 3, or multiply the original number by 0.75

If you multiply or divide the numbers, the answer will be negative.

Reciprocal of a number is the value you get when you divide 1 by that number. Also if you multiply a number with its reciprocal you will always get 1.

When you divide or multiply two negative numbers they cancel each other out and you have a positive answer. We are measuring relationships instead of moving on a number line like addition or subtraction.

Choose one number (other than zero). Then divide -60 by this number to get the other number.

Yes, the product of three negative numbers is always a negative number.

You turn the mixed number into an improper fraction then multiply by the reciprocal.

You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).You add the numbers. Then you divide by the number of numbers (i.e., if you have three numbers, you divide the sum by 3).

For the same reason that you can't divide a number by zero.

You will always get another odd number.

That is correct.

When you add them, you always get an even number; when you multiply them, the result is always odd.

The same way anyone else does. To multiply fractions, multiply the top numbers together and then the bottom numbers together. The two totals become the top and bottom number, respectively, of the new fraction. To divide fractions, flip the second fraction upside down and multiply it.

You can divide three by any number, but the result will not always come out even.

You do not need it! Sometimes it is simpler to multiply by a number's reciprocal than to divide by it but that is not always the case.

3 negative numbers are three negative numbers. There are a lot of things you can do with them: -- You can add them up. Their sum is always a negative number. -- You can add two of them and subtract the third one from the sum. The result could be a positive number or it could be a negative number. It depends on the three negative numbers you started with. -- You can multiply them all together. The product is always a negative number. -- You can multiply all of their absolute values together. The product is always a positive number. -- You can multiply two of them, and divide the product by the third one. The result is always a negative number. -- You can multiply two of them, then raise the product to the power of the third one. The result is always a positive number. -- You can divide one of them by another one, then raise the quotient to the power of the third one. The result is always a positive number. But, as I said at the top, 3 negative numbers are never anything else other than three negative numbers.

Scaling is when you multiply or divide two quantities by the same number.

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