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lots of numbers. 2and3, 4and5, 7and13, basically if the numbers that the difference is 1, the GCF(Greatest Common Factor) If they don't share any factors,(except 1)the GCF is 1

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Q: What 2 numbers greatest common factor is 1?
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What is the greatest common factor of 25 and 42?

Answer: 1. One way to determine the greatest common factor is to find all the factors of the numbers and compare them.The factors of 25 are 1, 5, and 25.The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42.The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime.The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.The prime factors of 25 are 5 and 5.The prime factors of 42 are 2, 3, and 7.There are no prime factors in common, so the numbers are relatively prime, which means the greatest common factor is 1.Another way to approach this is to look at the difference between 25 and 42, which is 17. The greatest common factor of two numbers cannot be larger than the difference between the two numbers and must be a factor of the difference between the numbers. Since 17 is a prime number, the greatest common factor must be either 1 or 17. Neither 25 nor 42 are divisible by 17, so the greatest common factor is 1. This is a useful shortcut if you notice that the difference between the two numbers is a prime number.


What is the greatest common factor of 51 and 93?

The GCF of 51 and 93 is 3.Definition: A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that the numbers have in common.Method:One way to determine the common factors and greatest common factor is to find all the factors of the numbers and compare them.The factors of 51 are 1, 3, 17, and 51.The factors of 93 are 1, 3, 31, and 93.The common factors are 1 and 3. Therefore, the greatest common factor is 3. The factors of 51 are 1, 3, 17, and 51.The factors of 93 are 1, 3, 31, and 93.The common factors are 1 and 3. Therefore, the greatest common factor is 3.


What is the greatest common factor of 48 and 5?

The Greatest Common Factor (GCF) is: 1


What is the Greatest Common Factor of 35 45 and 63?

Greatest Common Factor= 1


What is the greatest common factor of 160 and 256?

A factor is a divisor - a number that will evenly divide into another number. The greatest common factor of two or more numbers is the largest factor that both numbers have in common. One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 160 are 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, and 160. The factors of 256 are 1, 2, 4, 8, 16, 32, 64, 128, and 256. The common factors are 1, 2, 4, 8, 16, and 32. Therefore, the greatest common factor is 32.

Related questions

What is the greatest common factor of 99 and 25-?

The greatest common factor of 99 and 25 is 1. There are not other numbers that are common between them.


What is the greatest common factor of the numbers 49 and 50?

The greatest common factor (GCF) is: 1


What are the greatest common factor of 9and5?

The greatest common factor of the numbers 9 and 5 is 1.


What are the common factors and greatest common factor of 1?

Short answer: There are none. There is neither a greatest common factor nor common factors of a single number, such as ??, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor. Examples: The common factors of 1 and 3 are only 1; the greatest common factor is 1. The common factors of 1 and 111 are only 1; the greatest common factor is 1. Note: Since the only factor of 1 is 1, when finding the greatest common factor of 1 and another number, the only possible common factor and greatest common factor is 1.


When the greatest common factor of two numbers is 1 then the two numbers are said to be what?

If the greatest common factor is 1, then the numbers are said to be co-prime or relatively prime.


Name the greatest common factor of the following numbers three and 37?

The greatest common factor for the numbers 3 and 37 is 1.


What is the greatest common factor of two or more prime numbers?

The greatest common factor of two or more prime numbers is 1.


What is the greatest common factor of two numbers that have no common factor?

It is just 1


What is the greatest common factor of 284 and 263?

The greatest common factor of the numbers 284 and 263 is 1.


What is the greatest common factor of 5 and 23?

Because both numbers are prime numbers, the only common factor they have is 1. Therefore, the greatest common factor is 1. Another way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 5 are 1 and 5. The factors of 23 are 1 and 23. The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factor of 5 is 5. The prime factor of 23 is 23. There are no prime factors in common, so the numbers are relatively prime, which means the greatest common factor is 1.


What do numbers 6729 and 1 have in common?

That their greatest common factor is 1


What number has 1 as a greatest common factor?

Any two or more prime numbers have 1 as the greatest common factor.