Greatest Common Factor of 22, 21, 97, 438

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

• Greatest Common Factor of 22, 21, 97, 438 by common division method
• Greatest Common Factor of 22, 21, 97, 438 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 21

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

1,3,7,21

Factors of 97

List of positive integer factors of 97 that divides 97 without a remainder.

1,97

Factors of 438

List of positive integer factors of 438 that divides 438 without a remainder.

1,2,3,6,73,146,219,438

Greatest Common Factor

We found the factors 22,21,97,438 . The biggest common factor number is the GCF number.
So the greatest common factor 22,21,97,438 is 1.

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

• GCF of 25, 85, 84, 939
• GCF of 67, 51, 10, 281
• GCF of 53, 94, 25, 829
• GCF of 33, 17, 40, 873
• GCF of 46, 10, 62, 962

1. What is the GCF of 22, 21, 97, 438?

Answer: GCF of 22, 21, 97, 438 is 1.

2. How to Find the GCF of 22, 21, 97, 438

Answer: Greatest Common Factor(GCF) of 22, 21, 97, 438 = 1

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

Step 2: Then multiply all the prime factors GCF(22, 21, 97, 438) = 1.