Greatest Common Factor of 22, 15, 60, 91

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

• Greatest Common Factor of 22, 15, 60, 91 by common division method
• Greatest Common Factor of 22, 15, 60, 91 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 22

List of positive integer factors of 22 that divides 22 without a remainder.

1,2,11,22

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Factors of 60

List of positive integer factors of 60 that divides 60 without a remainder.

1,2,3,4,5,6,10,12,15,20,30,60

Factors of 91

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

1,7,13,91

Greatest Common Factor

We found the factors 22,15,60,91 . The biggest common factor number is the GCF number.
So the greatest common factor 22,15,60,91 is 1.

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

• GCF of 30, 57, 32, 32
• GCF of 87, 15, 64, 10
• GCF of 20, 53, 76, 78
• GCF of 18, 90, 18, 38
• GCF of 64, 98, 25, 35

1. What is the GCF of 22, 15, 60, 91?

Answer: GCF of 22, 15, 60, 91 is 1.

2. How to Find the GCF of 22, 15, 60, 91

Answer: Greatest Common Factor(GCF) of 22, 15, 60, 91 = 1

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

Step 2: Then multiply all the prime factors GCF(22, 15, 60, 91) = 1.