Greatest Common Factor of 48, 77, 57, 20

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

• Greatest Common Factor of 48, 77, 57, 20 by common division method
• Greatest Common Factor of 48, 77, 57, 20 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 48

List of positive integer factors of 48 that divides 48 without a remainder.

1,2,3,4,6,8,12,16,24,48

Factors of 77

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

1,7,11,77

Factors of 57

List of positive integer factors of 57 that divides 57 without a remainder.

1,3,19,57

Factors of 20

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

1,2,4,5,10,20

Greatest Common Factor

We found the factors 48,77,57,20 . The biggest common factor number is the GCF number.
So the greatest common factor 48,77,57,20 is 1.

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

• GCF of 24, 90, 23, 35
• GCF of 50, 14, 26, 15
• GCF of 24, 91, 73, 69
• GCF of 93, 65, 95, 56
• GCF of 41, 29, 84, 11

1. What is the GCF of 48, 77, 57, 20?

Answer: GCF of 48, 77, 57, 20 is 1.

2. How to Find the GCF of 48, 77, 57, 20

Answer: Greatest Common Factor(GCF) of 48, 77, 57, 20 = 1

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

Step 2: Then multiply all the prime factors GCF(48, 77, 57, 20) = 1.