Greatest Common Factor of 91, 12, 65, 53

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

• Greatest Common Factor of 91, 12, 65, 53 by common division method
• Greatest Common Factor of 91, 12, 65, 53 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 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 65

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

1,5,13,65

Factors of 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Greatest Common Factor

We found the factors 91,12,65,53 . The biggest common factor number is the GCF number.
So the greatest common factor 91,12,65,53 is 1.

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

• GCF of 44, 64, 64, 52
• GCF of 23, 27, 56, 58
• GCF of 86, 78, 30, 34
• GCF of 95, 41, 42, 18
• GCF of 19, 97, 61, 94

1. What is the GCF of 91, 12, 65, 53?

Answer: GCF of 91, 12, 65, 53 is 1.

2. How to Find the GCF of 91, 12, 65, 53

Answer: Greatest Common Factor(GCF) of 91, 12, 65, 53 = 1

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

Step 2: Then multiply all the prime factors GCF(91, 12, 65, 53) = 1.