Greatest Common Factor of 77, 84, 47, 660

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

• Greatest Common Factor of 77, 84, 47, 660 by common division method
• Greatest Common Factor of 77, 84, 47, 660 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 77

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

1,7,11,77

Factors of 84

List of positive integer factors of 84 that divides 84 without a remainder.

1,2,3,4,6,7,12,14,21,28,42,84

Factors of 47

List of positive integer factors of 47 that divides 47 without a remainder.

1,47

Factors of 660

List of positive integer factors of 660 that divides 660 without a remainder.

1,2,3,4,5,6,10,11,12,15,20,22,30,33,44,55,60,66,110,132,165,220,330,660

Greatest Common Factor

We found the factors 77,84,47,660 . The biggest common factor number is the GCF number.
So the greatest common factor 77,84,47,660 is 1.

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

• GCF of 57, 19, 97, 509
• GCF of 40, 74, 97, 205
• GCF of 96, 87, 26, 411
• GCF of 81, 77, 60, 898
• GCF of 81, 79, 65, 523

1. What is the GCF of 77, 84, 47, 660?

Answer: GCF of 77, 84, 47, 660 is 1.

2. How to Find the GCF of 77, 84, 47, 660

Answer: Greatest Common Factor(GCF) of 77, 84, 47, 660 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 84, 47, 660) = 1.