Greatest Common Factor of 72, 77, 428

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

• Greatest Common Factor of 72, 77, 428 by common division method
• Greatest Common Factor of 72, 77, 428 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 428

List of positive integer factors of 428 that divides 428 without a remainder.

1,2,4,107,214,428

Greatest Common Factor

We found the factors 72,77,428 . The biggest common factor number is the GCF number.
So the greatest common factor 72,77,428 is 1.

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

• GCF of 72, 75, 344
• GCF of 81, 60, 810
• GCF of 58, 42, 890
• GCF of 91, 91, 116
• GCF of 28, 89, 122

1. What is the GCF of 72, 77, 428?

Answer: GCF of 72, 77, 428 is 1.

2. How to Find the GCF of 72, 77, 428

Answer: Greatest Common Factor(GCF) of 72, 77, 428 = 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, 428) = 1.