Greatest Common Factor of 21, 11, 97, 673

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

• Greatest Common Factor of 21, 11, 97, 673 by common division method
• Greatest Common Factor of 21, 11, 97, 673 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 21

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

1,3,7,21

Factors of 11

List of positive integer factors of 11 that divides 11 without a remainder.

1,11

Factors of 97

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

1,97

Factors of 673

List of positive integer factors of 673 that divides 673 without a remainder.

1,673

Greatest Common Factor

We found the factors 21,11,97,673 . The biggest common factor number is the GCF number.
So the greatest common factor 21,11,97,673 is 1.

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

• GCF of 23, 44, 17, 121
• GCF of 80, 55, 66, 818
• GCF of 88, 63, 65, 640
• GCF of 84, 89, 14, 552
• GCF of 67, 76, 61, 945

1. What is the GCF of 21, 11, 97, 673?

Answer: GCF of 21, 11, 97, 673 is 1.

2. How to Find the GCF of 21, 11, 97, 673

Answer: Greatest Common Factor(GCF) of 21, 11, 97, 673 = 1

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

Step 2: Then multiply all the prime factors GCF(21, 11, 97, 673) = 1.