Greatest Common Factor of 19, 57, 65, 60

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 19, 57, 65, 60 by common division method
• Greatest Common Factor of 19, 57, 65, 60 with matching the biggest common factor

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∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 19

List of positive integer factors of 19 that divides 19 without a remainder.

1,19

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Greatest Common Factor

We found the factors 19,57,65,60 . The biggest common factor number is the GCF number.
So the greatest common factor 19,57,65,60 is 1.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 41, 48, 92, 94
• GCF of 51, 40, 94, 71
• GCF of 10, 29, 96, 24
• GCF of 22, 76, 65, 81
• GCF of 52, 34, 53, 18

1. What is the GCF of 19, 57, 65, 60?

Answer: GCF of 19, 57, 65, 60 is 1.

2. How to Find the GCF of 19, 57, 65, 60

Answer: Greatest Common Factor(GCF) of 19, 57, 65, 60 = 1

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(19, 57, 65, 60) = 1.