Greatest Common Factor of 77, 13, 65, 137

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

• Greatest Common Factor of 77, 13, 65, 137 by common division method
• Greatest Common Factor of 77, 13, 65, 137 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 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

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 137

List of positive integer factors of 137 that divides 137 without a remainder.

1,137

Greatest Common Factor

We found the factors 77,13,65,137 . The biggest common factor number is the GCF number.
So the greatest common factor 77,13,65,137 is 1.

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

• GCF of 95, 55, 32, 620
• GCF of 62, 40, 29, 792
• GCF of 79, 80, 84, 562
• GCF of 18, 22, 13, 212
• GCF of 96, 98, 71, 526

1. What is the GCF of 77, 13, 65, 137?

Answer: GCF of 77, 13, 65, 137 is 1.

2. How to Find the GCF of 77, 13, 65, 137

Answer: Greatest Common Factor(GCF) of 77, 13, 65, 137 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 13, 65, 137) = 1.