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Q: How can you find the gcf of two numbers without knowing the factors?

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The GCF of consecutive integers is 1.

Decimals don't have factors.

There is no way to find B 160 50 and 120 without knowing what these numbers correspond with. Once we know what the numbers correspond with then we can find the answer.

It is not possible to answer the question without knowing anything about the set of numbers that they are pulled from.

By finding their common prime numbers.

You can find out by Knowing the multiples and factors

Factors are whole numbers that will divide into other whole numbers leaving no remainders

Factors are used with whole numbers, not decimals.

Knowing factors will help you find a GCF. To simplify a fraction, divide the numerator and the denominator by their GCF.

All of them. Different numbers have different numbers of factors.

The same way as finding factors of positive numbers but the answer includes both the positive and negative factors.

Factors refer to whole numbers, not decimals.

List all the factors both numbers have and find the one with the most value

You find what half of the number is and then you look through all of the numbers and whichever numbers go into that number evenly are factors.

Composite numbers have more than two factors whereas prime numbers have only two factors.

Keep dividing.

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Prime numbers have only two factors.

All numbers have factors. Some numbers have some of the same factors as other numbers. These are known as common factors. The largest of these is known as the greatest common factor, or GCF.

factors

to find factors of numbers.

You need at least two numbers to find factors in common.

You make a line of numbers in this case factors.

Knowing the highest common factors of numbers helps to reduce fractions to their lowest terms Factoring helps to find the lowest common multiple of numbers which is useful when adding or subtracting fractions with different denominators.

The question is impossible to answer without knowing the meaning of "it".