Greatest Common Factor of 65, 42, 778

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

• Greatest Common Factor of 65, 42, 778 by common division method
• Greatest Common Factor of 65, 42, 778 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 65

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

1,5,13,65

Factors of 42

List of positive integer factors of 42 that divides 42 without a remainder.

1,2,3,6,7,14,21,42

Factors of 778

List of positive integer factors of 778 that divides 778 without a remainder.

1,2,389,778

Greatest Common Factor

We found the factors 65,42,778 . The biggest common factor number is the GCF number.
So the greatest common factor 65,42,778 is 1.

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

• GCF of 33, 79, 740
• GCF of 65, 31, 173
• GCF of 42, 24, 603
• GCF of 44, 68, 774
• GCF of 16, 92, 497

1. What is the GCF of 65, 42, 778?

Answer: GCF of 65, 42, 778 is 1.

2. How to Find the GCF of 65, 42, 778

Answer: Greatest Common Factor(GCF) of 65, 42, 778 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 42, 778) = 1.