### What are the common factors and greatest common factor of 19?

There is neither a greatest common factor nor common factors of a single number, such as 19, 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…

### What is the greatest common factor of 289 and 589?

1 One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 289 are 1, 17, and 289. The factors of 589 are 1, 19, 31, and 589. The common factors are 1. Therefore, the greatest common factor is 1; they are relatively prime. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The…

### What is the greatest common factor of 57 and 76?

The factors of 57 are 1, 3, 19, and 57. The factors of 76 are 1, 2, 4, 19, 38, and 76. The common factors are 1 and 19. Therefore, the greatest common factor is 19. The greatest common factor can also be determined from the prime factors. The prime factors of 57 are 3 and 19. The prime factors of 76 are 2, 2, and 19. The common prime factors are a single 19…

### What is the greatest common factor of 38 and 95?

One way to determine the greatest common factor is to find all the factors of the numbers and compare them. The factors of 38 are 1, 2, 19, and 38. The factors of 95 are 1, 5, 19, and 95. The common factors are 1 and 19. Therefore, the greatest common factor is 19. The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together. The prime factors…

### What is the greatest common factor of 32 and 51 using prime factors?

The greatest common factor can be calculated by identifying the common prime factors and multiplying them together. The prime factors of 32 are 2, 2, 2, 2, and 2. The prime factors of 51 are 3 and 17. There are no prime factors in common, so the numbers are relatively prime, which means the greatest common factor is 1. Another way to determine the greatest common factor is to find all the factors of the…

### What is the greatest common factor of 57?

There is not a greatest common factor of a single number, such as 57, because there cannot be a greatest 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. The factors of 57 are 1, 3, 19, and 57. The prime factors of 57 are 3…

### What is the greatest common factor of 19 and 21?

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 common factors and greatest common factor is to find all the factors of the numbers and compare them. The factors of 19 are 1 and 19. The factors of 21 are 1, 3, 7, and 21…