Greatest Common Factor of 78, 62, 35, 85, 13

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

• Greatest Common Factor of 78, 62, 35, 85, 13 by common division method
• Greatest Common Factor of 78, 62, 35, 85, 13 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 78

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

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

Factors of 62

List of positive integer factors of 62 that divides 62 without a remainder.

1,2,31,62

Factors of 35

List of positive integer factors of 35 that divides 35 without a remainder.

1,5,7,35

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 13

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

1,13

Greatest Common Factor

We found the factors 78,62,35,85,13 . The biggest common factor number is the GCF number.
So the greatest common factor 78,62,35,85,13 is 1.

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

• GCF of 51, 51, 22, 31, 31
• GCF of 71, 43, 10, 94, 89
• GCF of 78, 61, 79, 79, 31
• GCF of 20, 13, 73, 34, 54
• GCF of 90, 49, 38, 12, 82

1. What is the GCF of 78, 62, 35, 85, 13?

Answer: GCF of 78, 62, 35, 85, 13 is 1.

2. How to Find the GCF of 78, 62, 35, 85, 13

Answer: Greatest Common Factor(GCF) of 78, 62, 35, 85, 13 = 1

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

Step 2: Then multiply all the prime factors GCF(78, 62, 35, 85, 13) = 1.