Greatest Common Factor of 22, 72, 91, 3, 30

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

• Greatest Common Factor of 22, 72, 91, 3, 30 by common division method
• Greatest Common Factor of 22, 72, 91, 3, 30 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 91

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

1,7,13,91

Factors of 3

List of positive integer factors of 3 that divides 3 without a remainder.

1,3

Factors of 30

List of positive integer factors of 30 that divides 30 without a remainder.

1,2,3,5,6,10,15,30

Greatest Common Factor

We found the factors 22,72,91,3,30 . The biggest common factor number is the GCF number.
So the greatest common factor 22,72,91,3,30 is 1.

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

• GCF of 27, 24, 39, 9, 68
• GCF of 10, 71, 47, 4, 36
• GCF of 82, 93, 10, 3, 89
• GCF of 33, 44, 36, 5, 87
• GCF of 15, 74, 39, 1, 35

1. What is the GCF of 22, 72, 91, 3, 30?

Answer: GCF of 22, 72, 91, 3, 30 is 1.

2. How to Find the GCF of 22, 72, 91, 3, 30

Answer: Greatest Common Factor(GCF) of 22, 72, 91, 3, 30 = 1

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

Step 2: Then multiply all the prime factors GCF(22, 72, 91, 3, 30) = 1.