Greatest Common Factor of 20, 76, 91, 505

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

• Greatest Common Factor of 20, 76, 91, 505 by common division method
• Greatest Common Factor of 20, 76, 91, 505 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 76

List of positive integer factors of 76 that divides 76 without a remainder.

1,2,4,19,38,76

Factors of 91

List of positive integer factors of 91 that divides 91 without a remainder.

1,7,13,91

Factors of 505

List of positive integer factors of 505 that divides 505 without a remainder.

1,5,101,505

Greatest Common Factor

We found the factors 20,76,91,505 . The biggest common factor number is the GCF number.
So the greatest common factor 20,76,91,505 is 1.

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

• GCF of 27, 61, 95, 132
• GCF of 91, 11, 83, 810
• GCF of 35, 34, 60, 245
• GCF of 40, 19, 65, 834
• GCF of 62, 94, 12, 578

1. What is the GCF of 20, 76, 91, 505?

Answer: GCF of 20, 76, 91, 505 is 1.

2. How to Find the GCF of 20, 76, 91, 505

Answer: Greatest Common Factor(GCF) of 20, 76, 91, 505 = 1

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

Step 2: Then multiply all the prime factors GCF(20, 76, 91, 505) = 1.