Greatest Common Factor of 65, 20, 77, 441

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

• Greatest Common Factor of 65, 20, 77, 441 by common division method
• Greatest Common Factor of 65, 20, 77, 441 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 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

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 441

List of positive integer factors of 441 that divides 441 without a remainder.

1,3,7,9,21,49,63,147,441

Greatest Common Factor

We found the factors 65,20,77,441 . The biggest common factor number is the GCF number.
So the greatest common factor 65,20,77,441 is 1.

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

• GCF of 46, 77, 98, 812
• GCF of 64, 95, 29, 156
• GCF of 85, 95, 50, 571
• GCF of 47, 28, 12, 348
• GCF of 71, 85, 51, 726

1. What is the GCF of 65, 20, 77, 441?

Answer: GCF of 65, 20, 77, 441 is 1.

2. How to Find the GCF of 65, 20, 77, 441

Answer: Greatest Common Factor(GCF) of 65, 20, 77, 441 = 1

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

Step 2: Then multiply all the prime factors GCF(65, 20, 77, 441) = 1.