Greatest Common Factor of 86, 77, 61, 49

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

• Greatest Common Factor of 86, 77, 61, 49 by common division method
• Greatest Common Factor of 86, 77, 61, 49 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 86

List of positive integer factors of 86 that divides 86 without a remainder.

1,2,43,86

Factors of 77

List of positive integer factors of 77 that divides 77 without a remainder.

1,7,11,77

Factors of 61

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

1,61

Factors of 49

List of positive integer factors of 49 that divides 49 without a remainder.

1,7,49

Greatest Common Factor

We found the factors 86,77,61,49 . The biggest common factor number is the GCF number.
So the greatest common factor 86,77,61,49 is 1.

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

• GCF of 52, 85, 23, 32
• GCF of 91, 27, 83, 55
• GCF of 32, 48, 14, 73
• GCF of 80, 29, 30, 87
• GCF of 81, 44, 13, 74

1. What is the GCF of 86, 77, 61, 49?

Answer: GCF of 86, 77, 61, 49 is 1.

2. How to Find the GCF of 86, 77, 61, 49

Answer: Greatest Common Factor(GCF) of 86, 77, 61, 49 = 1

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

Step 2: Then multiply all the prime factors GCF(86, 77, 61, 49) = 1.