Greatest Common Factor of 56, 79, 61, 15

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

• Greatest Common Factor of 56, 79, 61, 15 by common division method
• Greatest Common Factor of 56, 79, 61, 15 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 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 79

List of positive integer factors of 79 that divides 79 without a remainder.

1,79

Factors of 61

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

1,61

Factors of 15

List of positive integer factors of 15 that divides 15 without a remainder.

1,3,5,15

Greatest Common Factor

We found the factors 56,79,61,15 . The biggest common factor number is the GCF number.
So the greatest common factor 56,79,61,15 is 1.

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

• GCF of 43, 82, 22, 88
• GCF of 56, 51, 41, 21
• GCF of 71, 10, 49, 38
• GCF of 42, 15, 25, 90
• GCF of 26, 24, 56, 43

1. What is the GCF of 56, 79, 61, 15?

Answer: GCF of 56, 79, 61, 15 is 1.

2. How to Find the GCF of 56, 79, 61, 15

Answer: Greatest Common Factor(GCF) of 56, 79, 61, 15 = 1

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

Step 2: Then multiply all the prime factors GCF(56, 79, 61, 15) = 1.