Greatest Common Factor of 11, 28, 61

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

• Greatest Common Factor of 11, 28, 61 by common division method
• Greatest Common Factor of 11, 28, 61 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 28

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

1,2,4,7,14,28

Factors of 61

List of positive integer factors of 61 that divides 61 without a remainder.

1,61

Greatest Common Factor

We found the factors 11,28,61 . The biggest common factor number is the GCF number.
So the greatest common factor 11,28,61 is 1.

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

• GCF of 88, 50, 30
• GCF of 83, 10, 87
• GCF of 70, 79, 62
• GCF of 76, 13, 73
• GCF of 87, 29, 12

1. What is the GCF of 11, 28, 61?

Answer: GCF of 11, 28, 61 is 1.

2. How to Find the GCF of 11, 28, 61

Answer: Greatest Common Factor(GCF) of 11, 28, 61 = 1

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

Step 2: Then multiply all the prime factors GCF(11, 28, 61) = 1.