Greatest Common Factor of 84, 77, 99, 815

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

• Greatest Common Factor of 84, 77, 99, 815 by common division method
• Greatest Common Factor of 84, 77, 99, 815 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 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 77

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

1,7,11,77

Factors of 99

List of positive integer factors of 99 that divides 99 without a remainder.

1,3,9,11,33,99

Factors of 815

List of positive integer factors of 815 that divides 815 without a remainder.

1,5,163,815

Greatest Common Factor

We found the factors 84,77,99,815 . The biggest common factor number is the GCF number.
So the greatest common factor 84,77,99,815 is 1.

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

• GCF of 11, 41, 95, 979
• GCF of 47, 12, 79, 508
• GCF of 77, 47, 77, 545
• GCF of 21, 13, 48, 848
• GCF of 69, 92, 77, 387

1. What is the GCF of 84, 77, 99, 815?

Answer: GCF of 84, 77, 99, 815 is 1.

2. How to Find the GCF of 84, 77, 99, 815

Answer: Greatest Common Factor(GCF) of 84, 77, 99, 815 = 1

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

Step 2: Then multiply all the prime factors GCF(84, 77, 99, 815) = 1.