Greatest Common Factor of 77, 21, 56, 182

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

• Greatest Common Factor of 77, 21, 56, 182 by common division method
• Greatest Common Factor of 77, 21, 56, 182 with matching the biggest common factor

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∴ So the GCF of the given numbers is 7 = 7

Factors of 77

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

1,7,11,77

Factors of 21

List of positive integer factors of 21 that divides 21 without a remainder.

1,3,7,21

Factors of 56

List of positive integer factors of 56 that divides 56 without a remainder.

1,2,4,7,8,14,28,56

Factors of 182

List of positive integer factors of 182 that divides 182 without a remainder.

1,2,7,13,14,26,91,182

Greatest Common Factor

We found the factors 77,21,56,182 . The biggest common factor number is the GCF number.
So the greatest common factor 77,21,56,182 is 7.

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

• GCF of 69, 39, 75, 198
• GCF of 93, 83, 65, 349
• GCF of 99, 50, 86, 372
• GCF of 27, 56, 28, 468
• GCF of 76, 43, 53, 958

1. What is the GCF of 77, 21, 56, 182?

Answer: GCF of 77, 21, 56, 182 is 7.

2. How to Find the GCF of 77, 21, 56, 182

Answer: Greatest Common Factor(GCF) of 77, 21, 56, 182 = 7

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

Step 2: Then multiply all the prime factors GCF(77, 21, 56, 182) = 7.