Greatest Common Factor of 34, 81, 91, 21, 22

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

• Greatest Common Factor of 34, 81, 91, 21, 22 by common division method
• Greatest Common Factor of 34, 81, 91, 21, 22 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ GCF of numbers is 1 because of no common factors present between them.

Factors of 34

List of positive integer factors of 34 that divides 34 without a remainder.

1,2,17,34

Factors of 81

List of positive integer factors of 81 that divides 81 without a remainder.

1,3,9,27,81

Factors of 91

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

1,7,13,91

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 22

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

1,2,11,22

Greatest Common Factor

We found the factors 34,81,91,21,22 . The biggest common factor number is the GCF number.
So the greatest common factor 34,81,91,21,22 is 1.

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

• GCF of 60, 44, 36, 31, 69
• GCF of 95, 89, 66, 84, 63
• GCF of 53, 56, 61, 65, 40
• GCF of 83, 65, 42, 50, 50
• GCF of 72, 36, 59, 89, 16

1. What is the GCF of 34, 81, 91, 21, 22?

Answer: GCF of 34, 81, 91, 21, 22 is 1.

2. How to Find the GCF of 34, 81, 91, 21, 22

Answer: Greatest Common Factor(GCF) of 34, 81, 91, 21, 22 = 1

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

Step 2: Then multiply all the prime factors GCF(34, 81, 91, 21, 22) = 1.