Greatest Common Factor of 63, 78, 13, 65, 34

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

• Greatest Common Factor of 63, 78, 13, 65, 34 by common division method
• Greatest Common Factor of 63, 78, 13, 65, 34 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 63

List of positive integer factors of 63 that divides 63 without a remainder.

1,3,7,9,21,63

Factors of 78

List of positive integer factors of 78 that divides 78 without a remainder.

1,2,3,6,13,26,39,78

Factors of 13

List of positive integer factors of 13 that divides 13 without a remainder.

1,13

Factors of 65

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

1,5,13,65

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Greatest Common Factor

We found the factors 63,78,13,65,34 . The biggest common factor number is the GCF number.
So the greatest common factor 63,78,13,65,34 is 1.

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

• GCF of 56, 60, 19, 19, 42
• GCF of 53, 65, 26, 63, 23
• GCF of 98, 94, 58, 23, 18
• GCF of 45, 14, 76, 15, 10
• GCF of 57, 55, 58, 35, 31

1. What is the GCF of 63, 78, 13, 65, 34?

Answer: GCF of 63, 78, 13, 65, 34 is 1.

2. How to Find the GCF of 63, 78, 13, 65, 34

Answer: Greatest Common Factor(GCF) of 63, 78, 13, 65, 34 = 1

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

Step 2: Then multiply all the prime factors GCF(63, 78, 13, 65, 34) = 1.