Greatest Common Factor of 51, 20, 80, 477

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

• Greatest Common Factor of 51, 20, 80, 477 by common division method
• Greatest Common Factor of 51, 20, 80, 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 51

List of positive integer factors of 51 that divides 51 without a remainder.

1,3,17,51

Factors of 20

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

1,2,4,5,10,20

Factors of 80

List of positive integer factors of 80 that divides 80 without a remainder.

1,2,4,5,8,10,16,20,40,80

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 51,20,80,477 . The biggest common factor number is the GCF number.
So the greatest common factor 51,20,80,477 is 1.

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

• GCF of 83, 67, 27, 530
• GCF of 66, 60, 90, 399
• GCF of 25, 19, 93, 334
• GCF of 16, 57, 24, 465
• GCF of 70, 17, 70, 831

1. What is the GCF of 51, 20, 80, 477?

Answer: GCF of 51, 20, 80, 477 is 1.

2. How to Find the GCF of 51, 20, 80, 477

Answer: Greatest Common Factor(GCF) of 51, 20, 80, 477 = 1

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

Step 2: Then multiply all the prime factors GCF(51, 20, 80, 477) = 1.