Greatest Common Factor of 11, 12, 28, 655

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

• Greatest Common Factor of 11, 12, 28, 655 by common division method
• Greatest Common Factor of 11, 12, 28, 655 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 11

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

1,11

Factors of 12

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

1,2,3,4,6,12

Factors of 28

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

1,2,4,7,14,28

Factors of 655

List of positive integer factors of 655 that divides 655 without a remainder.

1,5,131,655

Greatest Common Factor

We found the factors 11,12,28,655 . The biggest common factor number is the GCF number.
So the greatest common factor 11,12,28,655 is 1.

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

• GCF of 22, 22, 25, 770
• GCF of 61, 37, 46, 434
• GCF of 57, 24, 55, 437
• GCF of 55, 69, 37, 823
• GCF of 13, 37, 92, 577

1. What is the GCF of 11, 12, 28, 655?

Answer: GCF of 11, 12, 28, 655 is 1.

2. How to Find the GCF of 11, 12, 28, 655

Answer: Greatest Common Factor(GCF) of 11, 12, 28, 655 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 12, 28, 655) = 1.