Greatest Common Factor of 20, 77, 58, 53

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

• Greatest Common Factor of 20, 77, 58, 53 by common division method
• Greatest Common Factor of 20, 77, 58, 53 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 77

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

1,7,11,77

Factors of 58

List of positive integer factors of 58 that divides 58 without a remainder.

1,2,29,58

Factors of 53

List of positive integer factors of 53 that divides 53 without a remainder.

1,53

Greatest Common Factor

We found the factors 20,77,58,53 . The biggest common factor number is the GCF number.
So the greatest common factor 20,77,58,53 is 1.

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

• GCF of 65, 66, 20, 13
• GCF of 79, 69, 55, 71
• GCF of 19, 39, 31, 39
• GCF of 30, 25, 42, 46
• GCF of 32, 55, 70, 43

1. What is the GCF of 20, 77, 58, 53?

Answer: GCF of 20, 77, 58, 53 is 1.

2. How to Find the GCF of 20, 77, 58, 53

Answer: Greatest Common Factor(GCF) of 20, 77, 58, 53 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 77, 58, 53) = 1.