Greatest Common Factor of 20, 86, 68, 477

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

• Greatest Common Factor of 20, 86, 68, 477 by common division method
• Greatest Common Factor of 20, 86, 68, 477 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 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 86

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

1,2,43,86

Factors of 68

List of positive integer factors of 68 that divides 68 without a remainder.

1,2,4,17,34,68

Factors of 477

List of positive integer factors of 477 that divides 477 without a remainder.

1,3,9,53,159,477

Greatest Common Factor

We found the factors 20,86,68,477 . The biggest common factor number is the GCF number.
So the greatest common factor 20,86,68,477 is 1.

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

• GCF of 32, 70, 18, 529
• GCF of 35, 94, 11, 935
• GCF of 73, 33, 29, 597
• GCF of 74, 44, 30, 611
• GCF of 13, 75, 92, 888

1. What is the GCF of 20, 86, 68, 477?

Answer: GCF of 20, 86, 68, 477 is 1.

2. How to Find the GCF of 20, 86, 68, 477

Answer: Greatest Common Factor(GCF) of 20, 86, 68, 477 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 86, 68, 477) = 1.