### What is the greatest common factor of 15 and 42?

Apart from 1, the only positive integer common factor of 15 and 42 is 3.

### What is the gcf of 1542 and 84?

As written, the GCF is 6. If that's 15, 42 and 84, the GCF is 3.

### What is 42 over 45 in simplest form show work?

The GCF of 42 and 45 is 3. 42/3 = 14 45/3 = 15 42/45 = 14/15

### What is the greatest common factor of 15and 42?

Factors of 15: 1, 3, 5, 15. Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42. GCF (15, 42) = 3

### Are 15 and 42 co-prime?

If the GCF of two numbers is 1 then the numbers are co-prime or a pair of numbers which have only 1 as their common factor is called co-prime. Let us check if 15 and 42 share any common factors other than 1. Factors of 15: 1, 3, 5 and 15. Factors of 42: 1, 2, 3, 6, 7, 21 and 42. As it can be seen that 3 is a common factor or GCF… Read More

### What is the gcf of 10 1 42 and 15 1 29?

The GCF of any group of numbers that includes the number 1 is 1.

### What is the gcf of 42 and 18 also 42 and 56?

The GCF of 18 and 42 is 6. The GCF of 42 and 56 is 14.

### What is the gcf of 42 and 60?

Factors of 42: 1 2 3 6 7 14 21 42 Factors of 60: 1 2 3 4 5 6 10 12 15 20 30 60 The GCF of 42 and 60 is 6

### What is the greatest common factor of 30 and 42?

The GCF of 30 and 42 is 6 The factors of 30 are 1, 2, 3, 5, 6, 10, 15, and 30 The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42 So the GCF of 30 and 42 is 6.

### What is the GCF and LCF of 15 36 42?

The factors of 15 are: 1, 3, 5, 15 The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The common factors are: 1, 3 The Greatest Common Factor (GCF) is: 3

### How do you breakdown the greatest common factor of 15 and 42?

Factor them. 3 x 5 = 15 2 x 3 x 7 = 42 Select the common factor. The GCF is 3.

### What is the GCF of 21and 42 and the GCF of 16 and 25?

GCF of 21 and 42: 21 GCF of 16 and 25: 1

### What is the GCF of 21and 42 and the GCF of 17 and 27?

The GCF of 21 and 42 is 21. The GCF of 17 and 27 is 1.

### What is the common factors and the greatest common factor of 15 and 42?

The factors of 15 are: 1, 3, 5, 15 The factors of 42 are: 1, 2, 3, 6, 7, 14, 21, 42 The common factors are: 1, 3 The Greatest Common Factor: GCF = 3

### What is the greatest common factor of 15 42and 84?

15=3x5 42=2x3x7 84=2x2x3x7 3 is in all three. 3 is the GCF

### What is the greatest common factor of 42 and 57?

The GCF is 3. The GCF/HCF of 42 and 57 is 3. The GCF is 3.