Greatest Common Factor of 77, 99, 20, 612

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

• Greatest Common Factor of 77, 99, 20, 612 by common division method
• Greatest Common Factor of 77, 99, 20, 612 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 99

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

1,3,9,11,33,99

Factors of 20

List of positive integer factors of 20 that divides 20 without a remainder.

1,2,4,5,10,20

Factors of 612

List of positive integer factors of 612 that divides 612 without a remainder.

1,2,3,4,6,9,12,17,18,34,36,51,68,102,153,204,306,612

Greatest Common Factor

We found the factors 77,99,20,612 . The biggest common factor number is the GCF number.
So the greatest common factor 77,99,20,612 is 1.

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

• GCF of 95, 98, 42, 930
• GCF of 48, 69, 50, 219
• GCF of 24, 79, 21, 776
• GCF of 58, 18, 41, 120
• GCF of 19, 77, 31, 197

1. What is the GCF of 77, 99, 20, 612?

Answer: GCF of 77, 99, 20, 612 is 1.

2. How to Find the GCF of 77, 99, 20, 612

Answer: Greatest Common Factor(GCF) of 77, 99, 20, 612 = 1

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

Step 2: Then multiply all the prime factors GCF(77, 99, 20, 612) = 1.