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A single number cannot have a highest common factor because "common" refers to factors that two or more numbers have in common. You have only one number.

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14y ago
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11y ago

Two has two factors, one and itself. For them to be common, they need to be compared to another set of factors.

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8y ago

That's known as the greatest common factor, or GCF.

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11y ago

That completely depends on what the two numbers are.

Often, the largest common factor of two whole numbers is ' 1 ',

even if the numbers themselves are huge.

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9y ago

Consecutive even numbers.

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7y ago

The GCF is 1.

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Q: What is the highest common factor of 2 co-prime numbers?
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What is the common factor of 20 and 33?

The two numbers are coprime, so their greatest common factor is 1.


Greatest common factor of 91 and 95?

The GCF is 1.


What is the greatest common factor of 22 and 97?

The GCF is 1.


What is the greatest common factor of 39 and 46?

The two numbers are coprime so their GCF is 1.


What is the greatest common factor of 13 and 20?

The Greatest Common Factor (GCF) of 13 and 20 is: 1

Related questions

What are the two numbers which have 1 as common factor know as?

Any two numbers whose only common factor is 1 are known as coprime. For example, 9 is coprime to 16.


What is a co-prime number?

There is no such thing as a coprime number.Two integers are said to be relatively prime (or coprime) if they have no common positive factor, other than 1. Examples:Any two different prime numbers are coprime.16 and 27 are coprime.14 and 18 are not coprime. They have the common factor 2.


What are the co prime no?

A set of numbers is coprime if their highest common factor is 1: that is, they have no larger factor in common. The numbers, themselves, need not be prime.For example 8 (=2*2*2) and 15 (=3*5) are coprime.


What are a pair of numbers with a gfc of nine?

Pick any two numbers, x and y that are coprime. That is, they have no factor in common. Then GCF of 9x and 9y will be 9. Pick any two numbers, x and y that are coprime. That is, they have no factor in common. Then GCF of 9x and 9y will be 9. Pick any two numbers, x and y that are coprime. That is, they have no factor in common. Then GCF of 9x and 9y will be 9. Pick any two numbers, x and y that are coprime. That is, they have no factor in common. Then GCF of 9x and 9y will be 9.


Common factors with 27 and 80?

The numbers are coprime. Their only common factor is 1.


What is a common factor of 737 and 72?

The only common factor is 1 since the numbers are coprime.


What is the common factor of 20 and 33?

The two numbers are coprime, so their greatest common factor is 1.


What is the special name for 2 numbers with the greatest common factor of 1?

coprime


What are the common factors of 8 and 27?

The numbers are coprime so the only common factor is 1.


What is the least common multiple of 2 coprime numbers?

The least common multiple of two numbers is the product of those two numbers divided by their greatest common factor. It the two numbers are coprime (or relatively prime), their greatest common factor is 1. Therefore, their least common multiple is a x b ÷ GCF (of a and b) = a x b ÷ 1 = a x b. The least common multiple of two coprime numbers is the numbers multiplied together.


Can 20 over 77 be reduced?

No, 20 and 77 are coprime: their highest common factor is 1.


Numbers having only 1 as their common factor?

are co-prime