Greatest Common Factor of 28, 97, 12, 258

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

• Greatest Common Factor of 28, 97, 12, 258 by common division method
• Greatest Common Factor of 28, 97, 12, 258 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 28

List of positive integer factors of 28 that divides 28 without a remainder.

1,2,4,7,14,28

Factors of 97

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

1,97

Factors of 12

List of positive integer factors of 12 that divides 12 without a remainder.

1,2,3,4,6,12

Factors of 258

List of positive integer factors of 258 that divides 258 without a remainder.

1,2,3,6,43,86,129,258

Greatest Common Factor

We found the factors 28,97,12,258 . The biggest common factor number is the GCF number.
So the greatest common factor 28,97,12,258 is 1.

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

• GCF of 97, 75, 52, 506
• GCF of 67, 49, 35, 397
• GCF of 28, 23, 49, 764
• GCF of 72, 70, 86, 571
• GCF of 29, 98, 27, 823

1. What is the GCF of 28, 97, 12, 258?

Answer: GCF of 28, 97, 12, 258 is 1.

2. How to Find the GCF of 28, 97, 12, 258

Answer: Greatest Common Factor(GCF) of 28, 97, 12, 258 = 1

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

Step 2: Then multiply all the prime factors GCF(28, 97, 12, 258) = 1.