Greatest Common Factor of 72, 77, 123

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

• Greatest Common Factor of 72, 77, 123 by common division method
• Greatest Common Factor of 72, 77, 123 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 72

List of positive integer factors of 72 that divides 72 without a remainder.

1,2,3,4,6,8,9,12,18,24,36,72

Factors of 77

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

1,7,11,77

Factors of 123

List of positive integer factors of 123 that divides 123 without a remainder.

1,3,41,123

Greatest Common Factor

We found the factors 72,77,123 . The biggest common factor number is the GCF number.
So the greatest common factor 72,77,123 is 1.

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

• GCF of 86, 85, 526
• GCF of 84, 86, 364
• GCF of 32, 46, 756
• GCF of 33, 98, 366
• GCF of 65, 28, 871

1. What is the GCF of 72, 77, 123?

Answer: GCF of 72, 77, 123 is 1.

2. How to Find the GCF of 72, 77, 123

Answer: Greatest Common Factor(GCF) of 72, 77, 123 = 1

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

Step 2: Then multiply all the prime factors GCF(72, 77, 123) = 1.